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74107121346 = 23367193106129
BaseRepresentation
bin100010100000100100…
…0001110111011000010
321002021122121211012000
41011001020032323002
52203232410340341
654013324444430
75232305065236
oct1050110167302
9232248554160
1074107121346
11294795a1135
12124423a9716
136cb030407b
1438302925c6
151ddae958b6
hex114120eec2

74107121346 has 64 divisors (see below), whose sum is σ = 168008035200. Its totient is φ = 24207372288.

The previous prime is 74107121251. The next prime is 74107121351. The reversal of 74107121346 is 64312170147.

It is a self number, because there is not a number n which added to its sum of digits gives 74107121346.

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, 645210 + ... + 751338.

It is an arithmetic number, because the mean of its divisors is an integer number (2625125550).

Almost surely, 274107121346 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74107121346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84004017600).

74107121346 is an abundant number, since it is smaller than the sum of its proper divisors (93900913854).

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

74107121346 is a wasteful number, since it uses less digits than its factorization.

74107121346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106400 (or 106394 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The spelling of 74107121346 in words is "seventy-four billion, one hundred seven million, one hundred twenty-one thousand, three hundred forty-six".

Divisors: 1 2 3 6 9 18 27 54 67 134 193 201 386 402 579 603 1158 1206 1737 1809 3474 3618 5211 10422 12931 25862 38793 77586 106129 116379 212258 232758 318387 349137 636774 698274 955161 1910322 2865483 5730966 7110643 14221286 20482897 21331929 40965794 42663858 61448691 63995787 122897382 127991574 184346073 191987361 368692146 383974722 553038219 1106076438 1372354099 2744708198 4117062297 8234124594 12351186891 24702373782 37053560673 74107121346