Search a number
-
+
23872315629 = 37957438543
BaseRepresentation
bin10110001110111001…
…101010000011101101
32021121200222021200010
4112032321222003231
5342342303100004
614544454323433
71503402222561
oct261671520355
967550867603
1023872315629
11a140333078
124762959579
132335a11866
1412266bd6a1
1594abbda89
hex58ee6a0ed

23872315629 has 4 divisors (see below), whose sum is σ = 31829754176. Its totient is φ = 15914877084.

The previous prime is 23872315601. The next prime is 23872315631. The reversal of 23872315629 is 92651327832.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 23872315629 - 28 = 23872315373 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 (23872315639) 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, 3978719269 + ... + 3978719274.

It is an arithmetic number, because the mean of its divisors is an integer number (7957438544).

Almost surely, 223872315629 is an apocalyptic number.

It is an amenable number.

23872315629 is a deficient number, since it is larger than the sum of its proper divisors (7957438547).

23872315629 is an equidigital number, since it uses as much as digits as its factorization.

23872315629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7957438546.

The product of its digits is 1088640, while the sum is 48.

The spelling of 23872315629 in words is "twenty-three billion, eight hundred seventy-two million, three hundred fifteen thousand, six hundred twenty-nine".

Divisors: 1 3 7957438543 23872315629