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13265456231 = 532129117563
BaseRepresentation
bin11000101101010111…
…01100110001100111
31021020111021222221202
430112223230301213
5204131424044411
610032152433115
7646505342336
oct142653546147
937214258852
1013265456231
115698005675
1226a26a879b
1313353965b1
148dbb09d1d
155298da83b
hex316aecc67

13265456231 has 8 divisors (see below), whose sum is σ = 13522211280. Its totient is φ = 13008940672.

The previous prime is 13265456213. The next prime is 13265456249.

13265456231 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (13265456213) and next prime (13265456249).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13265456231 is a prime.

It is a super-2 number, since 2×132654562312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13265456261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54056 + ... + 171618.

It is an arithmetic number, because the mean of its divisors is an integer number (1690276410).

Almost surely, 213265456231 is an apocalyptic number.

13265456231 is a deficient number, since it is larger than the sum of its proper divisors (256755049).

13265456231 is a wasteful number, since it uses less digits than its factorization.

13265456231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119745.

The product of its digits is 129600, while the sum is 38.

The spelling of 13265456231 in words is "thirteen billion, two hundred sixty-five million, four hundred fifty-six thousand, two hundred thirty-one".

Divisors: 1 53 2129 112837 117563 6230839 250291627 13265456231