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12481554396 = 2233741685649
BaseRepresentation
bin10111001111111010…
…10110011111011100
31012012212020122210110
423213331112133130
5201030234220041
65422311010020
7621206314263
oct134775263734
935185218713
1012481554396
11532556a613
122504069910
13123bb5bb5c
148659715da
154d0b93516
hex2e7f567dc

12481554396 has 48 divisors (see below), whose sum is σ = 30640327200. Its totient is φ = 3949332480.

The previous prime is 12481554373. The next prime is 12481554409. The reversal of 12481554396 is 69345518421.

It is a congruent number.

It is an unprimeable number.

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, 324621 + ... + 361028.

It is an arithmetic number, because the mean of its divisors is an integer number (638340150).

Almost surely, 212481554396 is an apocalyptic number.

It is an amenable number.

12481554396 is an abundant number, since it is smaller than the sum of its proper divisors (18158772804).

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

12481554396 is a wasteful number, since it uses less digits than its factorization.

12481554396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685734 (or 685732 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 48.

The spelling of 12481554396 in words is "twelve billion, four hundred eighty-one million, five hundred fifty-four thousand, three hundred ninety-six".

Divisors: 1 2 3 4 6 12 37 41 74 82 111 123 148 164 222 246 444 492 1517 3034 4551 6068 9102 18204 685649 1371298 2056947 2742596 4113894 8227788 25369013 28111609 50738026 56223218 76107039 84334827 101476052 112446436 152214078 168669654 304428156 337339308 1040129533 2080259066 3120388599 4160518132 6240777198 12481554396