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13426062431 = 73211833911
BaseRepresentation
bin11001000000100000…
…10111010001011111
31021122200111122020112
430200100113101133
5204444032444211
610100131040235
7653465435105
oct144020272137
937580448215
1013426062431
11576a731471
12272844007b
13135c739c52
14915195c75
15538a6288b
hex32041745f

13426062431 has 4 divisors (see below), whose sum is σ = 13427903664. Its totient is φ = 13424221200.

The previous prime is 13426062427. The next prime is 13426062437.

13426062431 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13426062431 - 22 = 13426062427 is a prime.

It is a super-2 number, since 2×134260624312 (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 (13426062437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 909635 + ... + 924276.

It is an arithmetic number, because the mean of its divisors is an integer number (3356975916).

Almost surely, 213426062431 is an apocalyptic number.

13426062431 is a deficient number, since it is larger than the sum of its proper divisors (1841233).

13426062431 is an equidigital number, since it uses as much as digits as its factorization.

13426062431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841232.

The product of its (nonzero) digits is 20736, while the sum is 32.

It can be divided in two parts, 134260 and 62431, that added together give a palindrome (196691).

The spelling of 13426062431 in words is "thirteen billion, four hundred twenty-six million, sixty-two thousand, four hundred thirty-one".

Divisors: 1 7321 1833911 13426062431