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13656411025 = 5219299711021
BaseRepresentation
bin11001011011111110…
…00100101110010001
31022020201221120002221
430231333010232101
5210432020123100
610135040141041
7662263402255
oct145577045621
938221846087
1013656411025
115878762804
122791607781
13139838baaa
149379d8265
1554ddb401a
hex32dfc4b91

13656411025 has 48 divisors (see below), whose sum is σ = 18476942400. Its totient is φ = 9973152000.

The previous prime is 13656411017. The next prime is 13656411031. The reversal of 13656411025 is 52011465631.

It is not a de Polignac number, because 13656411025 - 23 = 13656411017 is a prime.

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 47 ways as a sum of consecutive naturals, for example, 13375015 + ... + 13376035.

It is an arithmetic number, because the mean of its divisors is an integer number (384936300).

Almost surely, 213656411025 is an apocalyptic number.

It is an amenable number.

13656411025 is a deficient number, since it is larger than the sum of its proper divisors (4820531375).

13656411025 is a wasteful number, since it uses less digits than its factorization.

13656411025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050 (or 2045 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

Adding to 13656411025 its reverse (52011465631), we get a palindrome (65667876656).

The spelling of 13656411025 in words is "thirteen billion, six hundred fifty-six million, four hundred eleven thousand, twenty-five".

Divisors: 1 5 19 25 29 95 145 475 551 725 971 1021 2755 4855 5105 13775 18449 19399 24275 25525 28159 29609 92245 96995 140795 148045 461225 484975 535021 562571 703975 740225 991391 2675105 2812855 4956955 13375525 14064275 18836429 24784775 28750339 94182145 143751695 470910725 546256441 718758475 2731282205 13656411025