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23939100831 = 343318428869
BaseRepresentation
bin10110010010111000…
…011011000010011111
32021210100122022202010
4112102320123002133
5343011402211311
614555242002303
71505142666612
oct262270330237
967710568663
1023939100831
11a174aa8858
1247811a6393
1323467c6029
141231506179
159519b1da6
hex592e1b09f

23939100831 has 8 divisors (see below), whose sum is σ = 31992518320. Its totient is φ = 15922541952.

The previous prime is 23939100821. The next prime is 23939100841. The reversal of 23939100831 is 13800193932.

It is an interprime number because it is at equal distance from previous prime (23939100821) and next prime (23939100841).

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

It is not a de Polignac number, because 23939100831 - 29 = 23939100319 is a prime.

It is a super-2 number, since 2×239391008312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23939100831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23939100821) 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, 9213136 + ... + 9215733.

It is an arithmetic number, because the mean of its divisors is an integer number (3999064790).

Almost surely, 223939100831 is an apocalyptic number.

23939100831 is a deficient number, since it is larger than the sum of its proper divisors (8053417489).

23939100831 is a wasteful number, since it uses less digits than its factorization.

23939100831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18429305.

The product of its (nonzero) digits is 34992, while the sum is 39.

The spelling of 23939100831 in words is "twenty-three billion, nine hundred thirty-nine million, one hundred thousand, eight hundred thirty-one".

Divisors: 1 3 433 1299 18428869 55286607 7979700277 23939100831