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12455252656593 = 329779318370823
BaseRepresentation
bin1011010100111111011011…
…1010010000000111010001
31122002201011222021020122220
42311033312322100013101
53113031324140002333
642253510350251253
72423601525521625
oct265176672200721
948081158236586
1012455252656593
113a7227446495a
121491ab2ab6b29
136c46aa08c166
14310ba1d41185
15168eca3c18b3
hexb53f6e901d1

12455252656593 has 16 divisors (see below), whose sum is σ = 17181864270720. Its totient is φ = 8016144921344.

The previous prime is 12455252656547. The next prime is 12455252656603. The reversal of 12455252656593 is 39565625255421.

It is a cyclic number.

It is not a de Polignac number, because 12455252656593 - 212 = 12455252652497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12455252656523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8507421 + ... + 9863402.

It is an arithmetic number, because the mean of its divisors is an integer number (1073866516920).

Almost surely, 212455252656593 is an apocalyptic number.

It is an amenable number.

12455252656593 is a deficient number, since it is larger than the sum of its proper divisors (4726611614127).

12455252656593 is a wasteful number, since it uses less digits than its factorization.

12455252656593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18378648.

The product of its digits is 97200000, while the sum is 60.

The spelling of 12455252656593 in words is "twelve trillion, four hundred fifty-five billion, two hundred fifty-two million, six hundred fifty-six thousand, five hundred ninety-three".

Divisors: 1 3 29 87 7793 23379 225997 677991 18370823 55112469 532753867 1598261601 143163823639 429491470917 4151750885531 12455252656593