Search a number
-
+
13242620461 = 72323576187
BaseRepresentation
bin11000101010101001…
…00101101000101101
31021011220022211011111
430111110211220231
5204110102323321
610030015152021
7646110262630
oct142524455055
937156284144
1013242620461
115686128834
122696b15611
13133072c4c5
148d8a83c17
155278c95e1
hex315525a2d

13242620461 has 12 divisors (see below), whose sum is σ = 15821055712. Its totient is φ = 10857300696.

The previous prime is 13242620459. The next prime is 13242620477. The reversal of 13242620461 is 16402624231.

It is not a de Polignac number, because 13242620461 - 21 = 13242620459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13242620561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1784391 + ... + 1791796.

Almost surely, 213242620461 is an apocalyptic number.

It is an amenable number.

13242620461 is a deficient number, since it is larger than the sum of its proper divisors (2578435251).

13242620461 is an equidigital number, since it uses as much as digits as its factorization.

13242620461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3576240 (or 3576217 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The spelling of 13242620461 in words is "thirteen billion, two hundred forty-two million, six hundred twenty thousand, four hundred sixty-one".

Divisors: 1 7 23 161 529 3703 3576187 25033309 82252301 575766107 1891802923 13242620461