Search a number
-
+
13027827531 = 331413539679
BaseRepresentation
bin11000010001000010…
…01101111101001011
31020121221011012122210
430020201031331023
5203140110440111
65552423320203
7640561464315
oct141041157513
936557135583
1013027827531
115585961714
122636bb0063
1312c8095bb4
148b83307b5
15513aec0a6
hex30884df4b

13027827531 has 32 divisors (see below), whose sum is σ = 18422046720. Its totient is φ = 8175974400.

The previous prime is 13027827487. The next prime is 13027827541. The reversal of 13027827531 is 13572872031.

It is a de Polignac number, because none of the positive numbers 2k-13027827531 is a prime.

It is a super-2 number, since 2×130278275312 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13027827531.

It is not an unprimeable number, because it can be changed into a prime (13027827541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1341150 + ... + 1350828.

It is an arithmetic number, because the mean of its divisors is an integer number (575688960).

Almost surely, 213027827531 is an apocalyptic number.

13027827531 is a deficient number, since it is larger than the sum of its proper divisors (5394219189).

13027827531 is a wasteful number, since it uses less digits than its factorization.

13027827531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10107.

The product of its (nonzero) digits is 70560, while the sum is 39.

The spelling of 13027827531 in words is "thirteen billion, twenty-seven million, eight hundred twenty-seven thousand, five hundred thirty-one".

Divisors: 1 3 31 41 93 123 353 1059 1271 3813 9679 10943 14473 29037 32829 43419 300049 396839 448663 900147 1190517 1345989 3416687 10250061 12302009 36906027 105917297 140084167 317751891 420252501 4342609177 13027827531