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13021320130124 = 2221131702790481
BaseRepresentation
bin1011110101111100001100…
…1010010010111001001100
31201002211022012002100121112
42331133003022102321030
53201320130423130444
643405524544551152
72512521310616225
oct275370312227114
951084265070545
1013021320130124
114170346826049
1215637519224b8
13735b9c9c8727
1433034178c24c
15178aab26c69e
hexbd7c3292e4c

13021320130124 has 24 divisors (see below), whose sum is σ = 22799685485808. Its totient is φ = 6507124715520.

The previous prime is 13021320130121. The next prime is 13021320130139. The reversal of 13021320130124 is 42103102312031.

It is a self number, because there is not a number n which added to its sum of digits gives 13021320130124.

It is not an unprimeable number, because it can be changed into a prime (13021320130121) 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 7 ways as a sum of consecutive naturals, for example, 143866964 + ... + 143957444.

It is an arithmetic number, because the mean of its divisors is an integer number (949986895242).

Almost surely, 213021320130124 is an apocalyptic number.

It is an amenable number.

13021320130124 is a deficient number, since it is larger than the sum of its proper divisors (9778365355684).

13021320130124 is a wasteful number, since it uses less digits than its factorization.

13021320130124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109625 (or 109623 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 13021320130124 its reverse (42103102312031), we get a palindrome (55124422442155).

The spelling of 13021320130124 in words is "thirteen trillion, twenty-one billion, three hundred twenty million, one hundred thirty thousand, one hundred twenty-four".

Divisors: 1 2 4 2113 4226 8452 17027 34054 68108 90481 180962 361924 35978051 71956102 143912204 191186353 382372706 764745412 1540619987 3081239974 6162479948 3255330032531 6510660065062 13021320130124