Search a number
-
+
23290537147 = 87072674921
BaseRepresentation
bin10101101100001110…
…010110010010111011
32020010011020212121221
4111230032112102323
5340144334142042
614411033012511
71453106204443
oct255416262273
966104225557
1023290537147
1199719a0309
12461bb54137
132272325a37
1411ad31b123
15914a9ed67
hex56c3964bb

23290537147 has 4 divisors (see below), whose sum is σ = 23293220776. Its totient is φ = 23287853520.

The previous prime is 23290537103. The next prime is 23290537189. The reversal of 23290537147 is 74173509232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23290537147 - 227 = 23156319419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23290537547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1328754 + ... + 1346167.

It is an arithmetic number, because the mean of its divisors is an integer number (5823305194).

Almost surely, 223290537147 is an apocalyptic number.

23290537147 is a deficient number, since it is larger than the sum of its proper divisors (2683629).

23290537147 is an equidigital number, since it uses as much as digits as its factorization.

23290537147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2683628.

The product of its (nonzero) digits is 317520, while the sum is 43.

The spelling of 23290537147 in words is "twenty-three billion, two hundred ninety million, five hundred thirty-seven thousand, one hundred forty-seven".

Divisors: 1 8707 2674921 23290537147