Search a number
-
+
13411388731 = 131031645287
BaseRepresentation
bin11000111110110000…
…11000110100111011
31021121122220010201011
430133120120310323
5204431303414411
610054444334351
7653226631456
oct143730306473
937548803634
1013411388731
115762419944
1227235443b7
13135969cca0
1491325649d
15537614c21
hex31f618d3b

13411388731 has 4 divisors (see below), whose sum is σ = 14443034032. Its totient is φ = 12379743432.

The previous prime is 13411388717. The next prime is 13411388737. The reversal of 13411388731 is 13788311431.

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 13411388731 - 25 = 13411388699 is a prime.

It is a super-2 number, since 2×134113887312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13411388737) 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 3 ways as a sum of consecutive naturals, for example, 515822631 + ... + 515822656.

It is an arithmetic number, because the mean of its divisors is an integer number (3610758508).

Almost surely, 213411388731 is an apocalyptic number.

13411388731 is a deficient number, since it is larger than the sum of its proper divisors (1031645301).

13411388731 is a wasteful number, since it uses less digits than its factorization.

13411388731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031645300.

The product of its digits is 48384, while the sum is 40.

The spelling of 13411388731 in words is "thirteen billion, four hundred eleven million, three hundred eighty-eight thousand, seven hundred thirty-one".

Divisors: 1 13 1031645287 13411388731