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12402433131441 = 33124301919227
BaseRepresentation
bin1011010001111010101010…
…0111110000001110110001
31121220122211220000100122120
42310132222213300032301
53111200140340201231
642213333224424453
72420021566130133
oct264365247601661
947818756010576
1012402433131441
113a5192a198931
121483811918129
136bc710146c72
1430c3d0d87053
15167938236d96
hexb47aa9f03b1

12402433131441 has 12 divisors (see below), whose sum is σ = 17087223173616. Its totient is φ = 8001569760360.

The previous prime is 12402433131433. The next prime is 12402433131469. The reversal of 12402433131441 is 14413133420421.

It is a happy number.

It is not a de Polignac number, because 12402433131441 - 23 = 12402433131433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12402433131421) 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 11 ways as a sum of consecutive naturals, for example, 2150956731 + ... + 2150962496.

It is an arithmetic number, because the mean of its divisors is an integer number (1423935264468).

Almost surely, 212402433131441 is an apocalyptic number.

It is an amenable number.

12402433131441 is a deficient number, since it is larger than the sum of its proper divisors (4684790042175).

12402433131441 is an equidigital number, since it uses as much as digits as its factorization.

12402433131441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4301919292 (or 4301919261 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 12402433131441 its reverse (14413133420421), we get a palindrome (26815566551862).

The spelling of 12402433131441 in words is "twelve trillion, four hundred two billion, four hundred thirty-three million, one hundred thirty-one thousand, four hundred forty-one".

Divisors: 1 3 31 93 961 2883 4301919227 12905757681 133359496037 400078488111 4134144377147 12402433131441