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13016890429 = 17765699437
BaseRepresentation
bin11000001111101110…
…11111110000111101
31020121011120112202221
430013313133300331
5203124310443204
65551353045341
7640366512604
oct140767376075
936534515687
1013016890429
11557a771494
1226333b6851
1312c5a3693a
148b6ac4a3b
15512b8b654
hex307ddfc3d

13016890429 has 4 divisors (see below), whose sum is σ = 13782589884. Its totient is φ = 12251190976.

The previous prime is 13016890427. The next prime is 13016890433. The reversal of 13016890429 is 92409861031.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12075812100 + 941078329 = 109890^2 + 30677^2 .

It is a cyclic number.

It is not a de Polignac number, because 13016890429 - 21 = 13016890427 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13016890423) 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, 382849702 + ... + 382849735.

It is an arithmetic number, because the mean of its divisors is an integer number (3445647471).

Almost surely, 213016890429 is an apocalyptic number.

It is an amenable number.

13016890429 is a deficient number, since it is larger than the sum of its proper divisors (765699455).

13016890429 is an equidigital number, since it uses as much as digits as its factorization.

13016890429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765699454.

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 13016890429 in words is "thirteen billion, sixteen million, eight hundred ninety thousand, four hundred twenty-nine".

Divisors: 1 17 765699437 13016890429