Search a number
-
+
79157605467136 = 21072397192
BaseRepresentation
bin10001111111111001010000…
…111101001000010000000000
3101101021101121121220212120111
4101333321100331020100000
540333404233444422021
6440204300230121104
722446643153541200
oct2177712075102000
9341241547825514
1079157605467136
1123249608719429
128a65335ab0194
1335226b7a0cc51
14157936a026400
1592410e8188e1
hex47fe50f48400

79157605467136 has 99 divisors (see below), whose sum is σ = 184077303660399. Its totient is φ = 33923833939968.

The previous prime is 79157605467043. The next prime is 79157605467191. The reversal of 79157605467136 is 63176450675197.

The square root of 79157605467136 is 8897056.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1992920685 + ... + 1992960403.

Almost surely, 279157605467136 is an apocalyptic number.

79157605467136 is the 8897056-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79157605467136

79157605467136 is an abundant number, since it is smaller than the sum of its proper divisors (104919698193263).

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

79157605467136 is an frugal number, since it uses more digits than its factorization.

79157605467136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79472 (or 39728 counting only the distinct ones).

The product of its (nonzero) digits is 200037600, while the sum is 67.

The spelling of 79157605467136 in words is "seventy-nine trillion, one hundred fifty-seven billion, six hundred five million, four hundred sixty-seven thousand, one hundred thirty-six".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 64 98 112 128 196 224 256 392 448 512 784 896 1024 1568 1792 3136 3584 6272 7168 12544 25088 39719 50176 79438 158876 278033 317752 556066 635504 1112132 1271008 1946231 2224264 2542016 3892462 4448528 5084032 7784924 8897056 10168064 15569848 17794112 20336128 31139696 35588224 40672256 62279392 71176448 124558784 142352896 249117568 284705792 498235136 996470272 1577598961 1992940544 3155197922 6310395844 11043192727 12620791688 22086385454 25241583376 44172770908 50483166752 77302349089 88345541816 100966333504 154604698178 176691083632 201932667008 309209396356 353382167264 403865334016 618418792712 706764334528 807730668032 1236837585424 1413528669056 1615461336064 2473675170848 2827057338112 4947350341696 5654114676224 9894700683392 11308229352448 19789401366784 39578802733568 79157605467136