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23469405997 = 401174133617
BaseRepresentation
bin10101110110111000…
…101011011100101101
32020120121211100120011
4111312320223130231
5341031131442442
614440502453221
71460410442122
oct256670533455
966517740504
1023469405997
119a53960104
12466ba34211
1322a03c1aab
1411c8d9c749
15925633117
hex576e2b72d

23469405997 has 8 divisors (see below), whose sum is σ = 23542147512. Its totient is φ = 23396736000.

The previous prime is 23469405991. The next prime is 23469406069. The reversal of 23469405997 is 79950496432.

It can be written as a sum of positive squares in 4 ways, for example, as 518973961 + 22950432036 = 22781^2 + 151494^2 .

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 23469405997 - 23 = 23469405989 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 (23469405991) 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, 681333 + ... + 714949.

It is an arithmetic number, because the mean of its divisors is an integer number (2942768439).

Almost surely, 223469405997 is an apocalyptic number.

It is an amenable number.

23469405997 is a deficient number, since it is larger than the sum of its proper divisors (72741515).

23469405997 is a wasteful number, since it uses less digits than its factorization.

23469405997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35759.

The product of its (nonzero) digits is 14696640, while the sum is 58.

The spelling of 23469405997 in words is "twenty-three billion, four hundred sixty-nine million, four hundred five thousand, nine hundred ninety-seven".

Divisors: 1 401 1741 33617 698141 13480417 58527197 23469405997