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13112512005434 = 263841102696637
BaseRepresentation
bin1011111011001111111010…
…0111101100010100111010
31201102112200111200121021212
42332303332213230110322
53204313411033133214
643515445503203122
72522230162022012
oct276637647542472
951375614617255
1013112512005434
1141a5a92203756
1215793618a64a2
1374167372906a
14334912aa2c42
1517b14707c53e
hexbecfe9ec53a

13112512005434 has 8 divisors (see below), whose sum is σ = 19669076289588. Its totient is φ = 6556153242240.

The previous prime is 13112512005413. The next prime is 13112512005449. The reversal of 13112512005434 is 43450021521131.

It can be written as a sum of positive squares in 2 ways, for example, as 12779531073409 + 332980932025 = 3574847^2 + 577045^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13112512005434.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51220637 + ... + 51476000.

Almost surely, 213112512005434 is an apocalyptic number.

13112512005434 is a deficient number, since it is larger than the sum of its proper divisors (6556564284154).

13112512005434 is a wasteful number, since it uses less digits than its factorization.

13112512005434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102760480.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 13112512005434 its reverse (43450021521131), we get a palindrome (56562533526565).

The spelling of 13112512005434 in words is "thirteen trillion, one hundred twelve billion, five hundred twelve million, five thousand, four hundred thirty-four".

Divisors: 1 2 63841 127682 102696637 205393274 6556256002717 13112512005434