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1834133916420 = 22325132621299053
BaseRepresentation
bin11010101100001010111…
…001101000101100000100
320111100012221112210002100
4122230022321220230010
5220022301240311140
63522331155112100
7246340356025251
oct32541271505404
96440187483070
101834133916420
11647940864273
122575738a2630
13103c5bbb8ca0
1464ab5c6a428
1532a9b55b530
hex1ab0ae68b04

1834133916420 has 144 divisors (see below), whose sum is σ = 5993810130672. Its totient is φ = 451305354240.

The previous prime is 1834133916403. The next prime is 1834133916421. The reversal of 1834133916420 is 246193314381.

1834133916420 is a `hidden beast` number, since 1 + 8 + 3 + 4 + 133 + 91 + 6 + 420 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 9216 + 1834133907204 = 96^2 + 1354302^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (1834133916421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5983614 + ... + 6282666.

It is an arithmetic number, because the mean of its divisors is an integer number (41623681463).

Almost surely, 21834133916420 is an apocalyptic number.

1834133916420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1834133916420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2996905065336).

1834133916420 is an abundant number, since it is smaller than the sum of its proper divisors (4159676214252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1834133916420 is a wasteful number, since it uses less digits than its factorization.

1834133916420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301702 (or 301697 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 1834133916420 in words is "one trillion, eight hundred thirty-four billion, one hundred thirty-three million, nine hundred sixteen thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 13 15 18 20 26 30 36 39 45 52 60 65 78 90 117 130 156 180 195 234 260 390 468 585 780 1170 2340 2621 5242 7863 10484 13105 15726 23589 26210 31452 34073 39315 47178 52420 68146 78630 94356 102219 117945 136292 157260 170365 204438 235890 299053 306657 340730 408876 471780 511095 598106 613314 681460 897159 1022190 1196212 1226628 1495265 1533285 1794318 2044380 2691477 2990530 3066570 3588636 3887689 4485795 5382954 5981060 6133140 7775378 8971590 10765908 11663067 13457385 15550756 17943180 19438445 23326134 26914770 34989201 38876890 46652268 53829540 58315335 69978402 77753780 116630670 139956804 174946005 233261340 349892010 699784020 783817913 1567635826 2351453739 3135271652 3919089565 4702907478 7054361217 7838179130 9405814956 10189632869 11757268695 14108722434 15676358260 20379265738 23514537390 28217444868 30568898607 35271806085 40758531476 47029074780 50948164345 61137797214 70543612170 91706695821 101896328690 122275594428 141087224340 152844493035 183413391642 203792657380 305688986070 366826783284 458533479105 611377972140 917066958210 1834133916420