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23261215134121 = 181335938259899
BaseRepresentation
bin1010100100111111011000…
…11101110001000110101001
310001100202021002002110222221
411102133230131301012221
511022102432033242441
6121250015452314041
74620365411210536
oct522375435610651
9101322232073887
1023261215134121
117459031585248
122738219a72921
13cc96a5552b53
145a5bc5237d8d
152a5126ccb8d1
hex1527ec7711a9

23261215134121 has 8 divisors (see below), whose sum is σ = 23396694048000. Its totient is φ = 23125812747120.

The previous prime is 23261215134109. The next prime is 23261215134139. The reversal of 23261215134121 is 12143151216232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23261215134121 - 219 = 23261214609833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23261215135121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18521971 + ... + 19737928.

It is an arithmetic number, because the mean of its divisors is an integer number (2924586756000).

Almost surely, 223261215134121 is an apocalyptic number.

It is an amenable number.

23261215134121 is a deficient number, since it is larger than the sum of its proper divisors (135478913879).

23261215134121 is a wasteful number, since it uses less digits than its factorization.

23261215134121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38263439.

The product of its digits is 17280, while the sum is 34.

The spelling of 23261215134121 in words is "twenty-three trillion, two hundred sixty-one billion, two hundred fifteen million, one hundred thirty-four thousand, one hundred twenty-one".

Divisors: 1 181 3359 607979 38259899 6925041719 128515000741 23261215134121