Search a number
-
+
23130487496 = 2311172588461
BaseRepresentation
bin10101100010101011…
…110011101011001000
32012201000002111210002
4111202223303223020
5334332401044441
614343114342132
71446123620414
oct254253635310
965630074702
1023130487496
11989a614676
12459642a948
1322481187bc
141195d77d44
159059d7b9b
hex562af3ac8

23130487496 has 16 divisors (see below), whose sum is σ = 43408507740. Its totient is φ = 11554885440.

The previous prime is 23130487397. The next prime is 23130487531. The reversal of 23130487496 is 69478403132.

It can be written as a sum of positive squares in 2 ways, for example, as 15646507396 + 7483980100 = 125086^2 + 86510^2 .

It is a super-2 number, since 2×231304874962 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23130487496.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1285295 + ... + 1303166.

Almost surely, 223130487496 is an apocalyptic number.

It is an amenable number.

23130487496 is a deficient number, since it is larger than the sum of its proper divisors (20278020244).

23130487496 is a wasteful number, since it uses less digits than its factorization.

23130487496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2589584 (or 2589580 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 47.

The spelling of 23130487496 in words is "twenty-three billion, one hundred thirty million, four hundred eighty-seven thousand, four hundred ninety-six".

Divisors: 1 2 4 8 1117 2234 4468 8936 2588461 5176922 10353844 20707688 2891310937 5782621874 11565243748 23130487496