Search a number
-
+
238625234613 = 3226513914957
BaseRepresentation
bin1101111000111100101…
…1000001111010110101
3211210221012110220102100
43132033023001322311
512402201030001423
6301342314532313
723145233012313
oct3361713017265
9753835426370
10238625234613
11922227a66a7
123a2b7137099
131966b619b9c
14b799c690b3
1563193ed343
hex378f2c1eb5

238625234613 has 6 divisors (see below), whose sum is σ = 344680894454. Its totient is φ = 159083489736.

The previous prime is 238625234609. The next prime is 238625234651. The reversal of 238625234613 is 316432526832.

238625234613 is a `hidden beast` number, since 2 + 3 + 8 + 6 + 2 + 5 + 23 + 4 + 613 = 666.

It can be written as a sum of positive squares in only one way, i.e., 231744034404 + 6881200209 = 481398^2 + 82953^2 .

It is not a de Polignac number, because 238625234613 - 22 = 238625234609 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238625239613) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13256957470 + ... + 13256957487.

Almost surely, 2238625234613 is an apocalyptic number.

It is an amenable number.

238625234613 is a deficient number, since it is larger than the sum of its proper divisors (106055659841).

238625234613 is a wasteful number, since it uses less digits than its factorization.

238625234613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26513914963 (or 26513914960 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 45.

The spelling of 238625234613 in words is "two hundred thirty-eight billion, six hundred twenty-five million, two hundred thirty-four thousand, six hundred thirteen".

Divisors: 1 3 9 26513914957 79541744871 238625234613