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13406260431 = 337120777121
BaseRepresentation
bin11000111110001001…
…10100110011001111
31021121022020121000010
430133010310303033
5204424000313211
610054142404303
7653135222244
oct143704646317
937538217003
1013406260431
11575a536983
122721890693
1313585c59a5
149126bd5cb
15536e504a6
hex31f134ccf

13406260431 has 8 divisors (see below), whose sum is σ = 18358122544. Its totient is φ = 8695952640.

The previous prime is 13406260423. The next prime is 13406260459.

13406260431 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 13406260431 - 23 = 13406260423 is a prime.

It is a super-2 number, since 2×134062604312 (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 (13406260531) 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, 60388450 + ... + 60388671.

It is an arithmetic number, because the mean of its divisors is an integer number (2294765318).

Almost surely, 213406260431 is an apocalyptic number.

13406260431 is a deficient number, since it is larger than the sum of its proper divisors (4951862113).

13406260431 is a wasteful number, since it uses less digits than its factorization.

13406260431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120777161.

The product of its (nonzero) digits is 10368, while the sum is 30.

The spelling of 13406260431 in words is "thirteen billion, four hundred six million, two hundred sixty thousand, four hundred thirty-one".

Divisors: 1 3 37 111 120777121 362331363 4468753477 13406260431