Search a number
-
+
13127874472 = 231640984309
BaseRepresentation
bin11000011100111101…
…10111011110101000
31020212220102010021001
430032132313132220
5203341213440342
610010355524344
7643215043336
oct141636673650
936786363231
1013127874472
115627385439
1226645b96b4
131312a24b7b
148c7734b56
1551c7b08b7
hex30e7b77a8

13127874472 has 8 divisors (see below), whose sum is σ = 24614764650. Its totient is φ = 6563937232.

The previous prime is 13127874439. The next prime is 13127874479. The reversal of 13127874472 is 27447872131.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12783920356 + 343954116 = 113066^2 + 18546^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (13127874479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 820492147 + ... + 820492162.

Almost surely, 213127874472 is an apocalyptic number.

It is an amenable number.

13127874472 is a deficient number, since it is larger than the sum of its proper divisors (11486890178).

13127874472 is a wasteful number, since it uses less digits than its factorization.

13127874472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640984315 (or 1640984311 counting only the distinct ones).

The product of its digits is 526848, while the sum is 46.

The spelling of 13127874472 in words is "thirteen billion, one hundred twenty-seven million, eight hundred seventy-four thousand, four hundred seventy-two".

Divisors: 1 2 4 8 1640984309 3281968618 6563937236 13127874472