Search a number
-
+
25312406313 = 329376177359
BaseRepresentation
bin10111100100101111…
…001010101100101001
32102100001202110201010
4113210233022230221
5403314434000223
615343420414133
71554156621645
oct274457125451
972301673633
1025312406313
11a80a214567
124aa50a7349
13250518921c
141321a69c25
159d2332393
hex5e4bcab29

25312406313 has 16 divisors (see below), whose sum is σ = 34923398400. Its totient is φ = 16288500480.

The previous prime is 25312406239. The next prime is 25312406323. The reversal of 25312406313 is 31360421352.

It is not a de Polignac number, because 25312406313 - 29 = 25312405801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25312406323) 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 15 ways as a sum of consecutive naturals, for example, 288528 + ... + 365886.

It is an arithmetic number, because the mean of its divisors is an integer number (2182712400).

Almost surely, 225312406313 is an apocalyptic number.

It is an amenable number.

25312406313 is a deficient number, since it is larger than the sum of its proper divisors (9610992087).

25312406313 is a wasteful number, since it uses less digits than its factorization.

25312406313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81152.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 25312406313 its reverse (31360421352), we get a palindrome (56672827665).

The spelling of 25312406313 in words is "twenty-five billion, three hundred twelve million, four hundred six thousand, three hundred thirteen".

Divisors: 1 3 29 87 3761 11283 77359 109069 232077 327207 2243411 6730233 290947199 872841597 8437468771 25312406313