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23981070093 = 37993690031
BaseRepresentation
bin10110010101011000…
…100001011100001101
32021220021121120202020
4112111120201130031
5343103123220333
615003341320353
71506162506151
oct262530413415
967807546666
1023981070093
11a1967639a2
1247932660b9
1323523cc006
141236d0d061
159555023b3
hex59562170d

23981070093 has 4 divisors (see below), whose sum is σ = 31974760128. Its totient is φ = 15987380060.

The previous prime is 23981070089. The next prime is 23981070097. The reversal of 23981070093 is 39007018932.

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 an interprime number because it is at equal distance from previous prime (23981070089) and next prime (23981070097).

It is a cyclic number.

It is not a de Polignac number, because 23981070093 - 22 = 23981070089 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23981070097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3996845013 + ... + 3996845018.

It is an arithmetic number, because the mean of its divisors is an integer number (7993690032).

Almost surely, 223981070093 is an apocalyptic number.

It is an amenable number.

23981070093 is a deficient number, since it is larger than the sum of its proper divisors (7993690035).

23981070093 is an equidigital number, since it uses as much as digits as its factorization.

23981070093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7993690034.

The product of its (nonzero) digits is 81648, while the sum is 42.

It can be divided in two parts, 239810 and 70093, that added together give a palindrome (309903).

The spelling of 23981070093 in words is "twenty-three billion, nine hundred eighty-one million, seventy thousand, ninety-three".

Divisors: 1 3 7993690031 23981070093