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12530115004 = 22111444919709
BaseRepresentation
bin10111010101101101…
…00110000110111100
31012100020121210102111
423222312212012330
5201130202140004
65431203503404
7622336135351
oct135266460674
935306553374
1012530115004
11534aa17950
122518387b64
131248c32044
1486c1b2628
154d5086a04
hex2eada61bc

12530115004 has 24 divisors (see below), whose sum is σ = 23923998000. Its totient is φ = 5694823680.

The previous prime is 12530114983. The next prime is 12530115019. The reversal of 12530115004 is 40051103521.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 625902 + ... + 645610.

It is an arithmetic number, because the mean of its divisors is an integer number (996833250).

Almost surely, 212530115004 is an apocalyptic number.

It is an amenable number.

12530115004 is a deficient number, since it is larger than the sum of its proper divisors (11393882996).

12530115004 is a wasteful number, since it uses less digits than its factorization.

12530115004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34173 (or 34171 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 12530115004 its reverse (40051103521), we get a palindrome (52581218525).

The spelling of 12530115004 in words is "twelve billion, five hundred thirty million, one hundred fifteen thousand, four".

Divisors: 1 2 4 11 22 44 14449 19709 28898 39418 57796 78836 158939 216799 317878 433598 635756 867196 284775341 569550682 1139101364 3132528751 6265057502 12530115004