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13120130333421 = 322003727804423
BaseRepresentation
bin1011111011101100010010…
…1101010011101011101101
31201110021100102220202121200
42332323010231103223231
53204430011331132141
643523145450320113
72522620026523536
oct276730455235355
951407312822550
1013120130333421
1141a9241594291
12157a929129039
137422b8b76c47
143350367b768d
1517b440cd4ab6
hexbeec4b53aed

13120130333421 has 12 divisors (see below), whose sum is σ = 18960760854048. Its totient is φ = 8742386717064.

The previous prime is 13120130333389. The next prime is 13120130333459. The reversal of 13120130333421 is 12433303102131.

13120130333421 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 0 + 1 + 303 + 334 + 21 = 666.

It is not a de Polignac number, because 13120130333421 - 25 = 13120130333389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13120130333621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 363884185 + ... + 363920238.

It is an arithmetic number, because the mean of its divisors is an integer number (1580063404504).

Almost surely, 213120130333421 is an apocalyptic number.

It is an amenable number.

13120130333421 is a deficient number, since it is larger than the sum of its proper divisors (5840630520627).

13120130333421 is a wasteful number, since it uses less digits than its factorization.

13120130333421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727806432 (or 727806429 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 13120130333421 its reverse (12433303102131), we get a palindrome (25553433435552).

The spelling of 13120130333421 in words is "thirteen trillion, one hundred twenty billion, one hundred thirty million, three hundred thirty-three thousand, four hundred twenty-one".

Divisors: 1 3 9 2003 6009 18027 727804423 2183413269 6550239807 1457792259269 4373376777807 13120130333421