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78152073052108 = 22116797882130983
BaseRepresentation
bin10001110001010000110010…
…100011010111111111001100
3101020201021011100021122102011
4101301100302203113333030
540220420421200131413
6434114322224511004
722314205140203236
oct2161206243277714
9336637140248364
1078152073052108
11229a11208aa210
12892248b17b464
13347b92a4c1463
14154281ad29256
15907dac52d33d
hex4714328d7fcc

78152073052108 has 96 divisors (see below), whose sum is σ = 153009646530048. Its totient is φ = 34627664332800.

The previous prime is 78152073052087. The next prime is 78152073052189. The reversal of 78152073052108 is 80125037025187.

It is a super-2 number, since 2×781520730521082 (a number of 29 digits) contains 22 as substring.

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, 2522402385 + ... + 2522433367.

It is an arithmetic number, because the mean of its divisors is an integer number (1593850484688).

Almost surely, 278152073052108 is an apocalyptic number.

It is an amenable number.

78152073052108 is a deficient number, since it is larger than the sum of its proper divisors (74857573477940).

78152073052108 is a wasteful number, since it uses less digits than its factorization.

78152073052108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39983 (or 39981 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 49.

The spelling of 78152073052108 in words is "seventy-eight trillion, one hundred fifty-two billion, seventy-three million, fifty-two thousand, one hundred eight".

Divisors: 1 2 4 11 22 44 67 97 134 194 268 388 737 1067 1474 2134 2948 4268 6499 8821 12998 17642 25996 30983 35284 61966 71489 97031 123932 142978 194062 285956 340813 388124 591007 681626 855637 1182014 1363252 1711274 2075861 2364028 3005351 3422548 4151722 6010702 6501077 8303444 9412007 12021404 13002154 18824014 22834471 26004308 33058861 37648028 45668942 57327679 66117722 91337884 114655358 132235444 201358517 229310716 273301043 402717034 546602086 630604469 805434068 1093204172 1261208938 2214943687 2522417876 3006311473 4429887374 6012622946 8859774748 12025245892 18311169881 26510201171 36622339762 53020402342 73244679524 106040804684 201422868691 291612212881 402845737382 583224425762 805691474764 1166448851524 1776183478457 3552366956914 7104733913828 19538018263027 39076036526054 78152073052108