Search a number
-
+
9731131052 = 2211321529051
BaseRepresentation
bin10010001000000010…
…10100011010101100
3221010011211200021012
421010001110122230
5124412132143202
64245335524352
7463101151316
oct110401243254
927104750235
109731131052
114143a73875
121a76b296b8
13bc109c416
146845747b6
153be49d152
hex2440546ac

9731131052 has 12 divisors (see below), whose sum is σ = 17180183496. Its totient is φ = 4822507200.

The previous prime is 9731131051. The next prime is 9731131061. The reversal of 9731131052 is 2501311379.

It is a hoax number, since the sum of its digits (32) 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 (9731131051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10764074 + ... + 10764977.

It is an arithmetic number, because the mean of its divisors is an integer number (1431681958).

Almost surely, 29731131052 is an apocalyptic number.

It is an amenable number.

9731131052 is a deficient number, since it is larger than the sum of its proper divisors (7449052444).

9731131052 is a wasteful number, since it uses less digits than its factorization.

9731131052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21529168 (or 21529166 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 9731131052 is about 98646.4953863035. The cubic root of 9731131052 is about 2134.9503213929.

The spelling of 9731131052 in words is "nine billion, seven hundred thirty-one million, one hundred thirty-one thousand, fifty-two".

Divisors: 1 2 4 113 226 452 21529051 43058102 86116204 2432782763 4865565526 9731131052