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12406516460 = 2251325962213
BaseRepresentation
bin10111000110111110…
…00110101011101100
31012000122001100002122
423203133012223230
5200402032011320
65411030412112
7616305435632
oct134337065354
935018040078
1012406516460
115297178498
1224a2b01038
131229448200
148599db352
154c92bed25
hex2e37c6aec

12406516460 has 72 divisors (see below), whose sum is σ = 28690608240. Its totient is φ = 4503153408.

The previous prime is 12406516403. The next prime is 12406516471. The reversal of 12406516460 is 6461560421.

It is a self number, because there is not a number n which added to its sum of digits gives 12406516460.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 168314 + ... + 230526.

It is an arithmetic number, because the mean of its divisors is an integer number (398480670).

Almost surely, 212406516460 is an apocalyptic number.

12406516460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12406516460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14345304120).

12406516460 is an abundant number, since it is smaller than the sum of its proper divisors (16284091780).

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

12406516460 is a wasteful number, since it uses less digits than its factorization.

12406516460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62307 (or 62292 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 12406516460 in words is "twelve billion, four hundred six million, five hundred sixteen thousand, four hundred sixty".

Divisors: 1 2 4 5 10 13 20 26 52 59 65 118 130 169 236 260 295 338 590 676 767 845 1180 1534 1690 3068 3380 3835 7670 9971 15340 19942 39884 49855 62213 99710 124426 199420 248852 311065 622130 808769 1244260 1617538 3235076 3670567 4043845 7341134 8087690 10513997 14682268 16175380 18352835 21027994 36705670 42055988 47717371 52569985 73411340 95434742 105139970 190869484 210279940 238586855 477173710 620325823 954347420 1240651646 2481303292 3101629115 6203258230 12406516460