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154043105340 = 223519239356467
BaseRepresentation
bin1000111101110110101…
…1110100000000111100
3112201121112021112201210
42033131223310000330
510010440013332330
6154433314204420
714062221535245
oct2173553640074
9481545245653
10154043105340
115a369354023
1225a30883710
13116ac0b3c97
147654725ccc
154018a1b8b0
hex23ddaf403c

154043105340 has 96 divisors (see below), whose sum is σ = 454219557120. Its totient is φ = 38899201536.

The previous prime is 154043105323. The next prime is 154043105393. The reversal of 154043105340 is 43501340451.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 154043105298 and 154043105307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2699787 + ... + 2756253.

It is an arithmetic number, because the mean of its divisors is an integer number (4731453720).

Almost surely, 2154043105340 is an apocalyptic number.

154043105340 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 154043105340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227109778560).

154043105340 is an abundant number, since it is smaller than the sum of its proper divisors (300176451780).

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

154043105340 is a wasteful number, since it uses less digits than its factorization.

154043105340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58891 (or 58889 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 154043105340 its reverse (43501340451), we get a palindrome (197544445791).

The spelling of 154043105340 in words is "one hundred fifty-four billion, forty-three million, one hundred five thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 30 38 57 60 76 95 114 190 228 285 380 570 1140 2393 4786 7179 9572 11965 14358 23930 28716 35895 45467 47860 56467 71790 90934 112934 136401 143580 169401 181868 225868 227335 272802 282335 338802 454670 545604 564670 677604 682005 847005 909340 1072873 1129340 1364010 1694010 2145746 2728020 3218619 3388020 4291492 5364365 6437238 10728730 12874476 16093095 21457460 32186190 64372380 135125531 270251062 405376593 540502124 675627655 810753186 1351255310 1621506372 2026882965 2567385089 2702510620 4053765930 5134770178 7702155267 8107531860 10269540356 12836925445 15404310534 25673850890 30808621068 38510776335 51347701780 77021552670 154043105340