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38668543260 = 22351019632459
BaseRepresentation
bin100100000000110100…
…110010010100011100
310200210212200112012220
4210000310302110130
51113143121341020
625433013025340
72536146123504
oct440064622434
9120725615186
1038668543260
1115443425976
1275b2025250
133853282539
141c2b81ca04
151014b81240
hex900d3251c

38668543260 has 48 divisors (see below), whose sum is σ = 108378345600. Its totient is φ = 10301475904.

The previous prime is 38668543237. The next prime is 38668543271. The reversal of 38668543260 is 6234586683.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255090 + ... + 377369.

It is an arithmetic number, because the mean of its divisors is an integer number (2257882200).

Almost surely, 238668543260 is an apocalyptic number.

38668543260 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38668543260 is an abundant number, since it is smaller than the sum of its proper divisors (69709802340).

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

38668543260 is a wasteful number, since it uses less digits than its factorization.

38668543260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633490 (or 633488 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 51.

The spelling of 38668543260 in words is "thirty-eight billion, six hundred sixty-eight million, five hundred forty-three thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1019 2038 3057 4076 5095 6114 10190 12228 15285 20380 30570 61140 632459 1264918 1897377 2529836 3162295 3794754 6324590 7589508 9486885 12649180 18973770 37947540 644475721 1288951442 1933427163 2577902884 3222378605 3866854326 6444757210 7733708652 9667135815 12889514420 19334271630 38668543260