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23934304831 = 24739678247
BaseRepresentation
bin10110010010100110…
…001000001000111111
32021210000121122212111
4112102212020020333
5343004140223311
614554551114451
71505054143243
oct262246101077
967700548774
1023934304831
11a172322518
12477b672a27
132345807068
141230a18423
15951365d21
hex59298823f

23934304831 has 4 divisors (see below), whose sum is σ = 23943985552. Its totient is φ = 23924624112.

The previous prime is 23934304817. The next prime is 23934304837. The reversal of 23934304831 is 13840343932.

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 23934304831 - 27 = 23934304703 is a prime.

It is a super-2 number, since 2×239343048312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23934304837) 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, 4836651 + ... + 4841596.

It is an arithmetic number, because the mean of its divisors is an integer number (5985996388).

Almost surely, 223934304831 is an apocalyptic number.

23934304831 is a deficient number, since it is larger than the sum of its proper divisors (9680721).

23934304831 is an equidigital number, since it uses as much as digits as its factorization.

23934304831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9680720.

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 23934304831 in words is "twenty-three billion, nine hundred thirty-four million, three hundred four thousand, eight hundred thirty-one".

Divisors: 1 2473 9678247 23934304831