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12520062516 = 22313377927457
BaseRepresentation
bin10111010100100000…
…01111111000110100
31012022112201002000010
423222100033320310
5201120114000031
65430204220220
7622154526663
oct135220177064
935275632003
1012520062516
115345281305
122514b3a670
131246b22620
1486ab16dda
154d424d246
hex2ea40fe34

12520062516 has 96 divisors (see below), whose sum is σ = 32721149440. Its totient is φ = 3700629504.

The previous prime is 12520062493. The next prime is 12520062551. The reversal of 12520062516 is 61526002521.

12520062516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 442260 + ... + 469716.

Almost surely, 212520062516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12520062516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16360574720).

12520062516 is an abundant number, since it is smaller than the sum of its proper divisors (20201086924).

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

12520062516 is a wasteful number, since it uses less digits than its factorization.

12520062516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27593 (or 27591 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 12520062516 in words is "twelve billion, five hundred twenty million, sixty-two thousand, five hundred sixteen".

Divisors: 1 2 3 4 6 12 13 26 37 39 52 74 78 79 111 148 156 158 222 237 316 444 474 481 948 962 1027 1443 1924 2054 2886 2923 3081 4108 5772 5846 6162 8769 11692 12324 17538 27457 35076 37999 54914 75998 82371 109828 113997 151996 164742 227994 329484 356941 455988 713882 1015909 1070823 1427764 2031818 2141646 2169103 3047727 4063636 4283292 4338206 6095454 6507309 8676412 12190908 13014618 13206817 26029236 26413634 28198339 39620451 52827268 56396678 79240902 80256811 84595017 112793356 158481804 160513622 169190034 240770433 321027244 338380068 481540866 963081732 1043338543 2086677086 3130015629 4173354172 6260031258 12520062516