Search a number
-
+
138876936352 = 2571156362393
BaseRepresentation
bin1000000101010110110…
…1011110000010100000
3111021110120110100001021
42001111231132002200
54233404443430402
6143444342415224
713014333324160
oct2012555360240
9437416410037
10138876936352
1153996456870
1222ab9731514
1310132cc75ab
146a164085a0
15392c331d37
hex2055b5e0a0

138876936352 has 48 divisors (see below), whose sum is σ = 340879758912. Its totient is φ = 54107896320.

The previous prime is 138876936349. The next prime is 138876936403. The reversal of 138876936352 is 253639678831.

It is a super-3 number, since 3×1388769363523 (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28178733 + ... + 28183660.

It is an arithmetic number, because the mean of its divisors is an integer number (7101661644).

Almost surely, 2138876936352 is an apocalyptic number.

It is an amenable number.

138876936352 is an abundant number, since it is smaller than the sum of its proper divisors (202002822560).

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

138876936352 is a wasteful number, since it uses less digits than its factorization.

138876936352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56362421 (or 56362413 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 61.

The spelling of 138876936352 in words is "one hundred thirty-eight billion, eight hundred seventy-six million, nine hundred thirty-six thousand, three hundred fifty-two".

Divisors: 1 2 4 7 8 11 14 16 22 28 32 44 56 77 88 112 154 176 224 308 352 616 1232 2464 56362393 112724786 225449572 394536751 450899144 619986323 789073502 901798288 1239972646 1578147004 1803596576 2479945292 3156294008 4339904261 4959890584 6312588016 8679808522 9919781168 12625176032 17359617044 19839562336 34719234088 69438468176 138876936352