Search a number
-
+
10115131323 = 311793879989
BaseRepresentation
bin10010110101110100…
…01010011110111011
3222002221101220121110
421122322022132323
5131203433200243
64351414211403
7505443124533
oct113272123673
928087356543
1010115131323
114320800970
121b63653b63
13c527cb30b
146bd5724c3
153e3050e33
hex25ae8a7bb

10115131323 has 16 divisors (see below), whose sum is σ = 14899161600. Its totient is φ = 6052781280.

The previous prime is 10115131319. The next prime is 10115131349. The reversal of 10115131323 is 32313151101.

It is not a de Polignac number, because 10115131323 - 22 = 10115131319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10115131323.

It is not an unprimeable number, because it can be changed into a prime (10115131723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1937388 + ... + 1942601.

It is an arithmetic number, because the mean of its divisors is an integer number (931197600).

Almost surely, 210115131323 is an apocalyptic number.

10115131323 is a deficient number, since it is larger than the sum of its proper divisors (4784030277).

10115131323 is a wasteful number, since it uses less digits than its factorization.

10115131323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3880082.

The product of its (nonzero) digits is 270, while the sum is 21.

Adding to 10115131323 its reverse (32313151101), we get a palindrome (42428282424).

The spelling of 10115131323 in words is "ten billion, one hundred fifteen million, one hundred thirty-one thousand, three hundred twenty-three".

Divisors: 1 3 11 33 79 237 869 2607 3879989 11639967 42679879 128039637 306519131 919557393 3371710441 10115131323