Search a number
-
+
1850306894980 = 2251982116373623
BaseRepresentation
bin11010111011001110111…
…000101001110010000100
320112212222001212012212021
4122323032320221302010
5220303412031114410
63534004054132524
7250452221051245
oct32731670516204
96485861765767
101850306894980
11653790006455
1225a728051144
1310563875819b
14657abb88ccc
15331e631eeda
hex1aecee29c84

1850306894980 has 96 divisors (see below), whose sum is σ = 4098766613760. Its totient is φ = 699693903360.

The previous prime is 1850306894971. The next prime is 1850306895077. The reversal of 1850306894980 is 894986030581.

It is a super-2 number, since 2×18503068949802 (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors.

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, 510709449 + ... + 510713071.

It is an arithmetic number, because the mean of its divisors is an integer number (42695485560).

Almost surely, 21850306894980 is an apocalyptic number.

1850306894980 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 1850306894980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2049383306880).

1850306894980 is an abundant number, since it is smaller than the sum of its proper divisors (2248459718780).

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

1850306894980 is a wasteful number, since it uses less digits than its factorization.

1850306894980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6109 (or 6107 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 61.

The spelling of 1850306894980 in words is "one trillion, eight hundred fifty billion, three hundred six million, eight hundred ninety-four thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 821 1637 1642 3274 3284 3623 4105 6548 7246 8185 8210 14492 15599 16370 16420 18115 31103 31198 32740 36230 62206 62396 68837 72460 77995 124412 137674 155515 155990 275348 311030 311980 344185 622060 688370 1343977 1376740 2687954 2974483 5375908 5930851 5948966 6719885 11861702 11897932 13439770 14872415 23723404 25535563 26879540 29654255 29744830 51071126 56515177 59308510 59489660 102142252 112686169 113030354 118617020 127677815 225372338 226060708 255355630 282575885 450744676 510711260 563430845 565151770 1126861690 1130303540 2253723380 4869228671 9738457342 19476914684 24346143355 48692286710 92515344749 97384573420 185030689498 370061378996 462576723745 925153447490 1850306894980