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23031365842 = 217677393113
BaseRepresentation
bin10101011100110001…
…101100000011010010
32012110002120121102201
4111130301230003102
5334132012201332
614325214033414
71443511244122
oct253461540322
965402517381
1023031365842
119849673051
1245691a886a
132230721a34
141186b34c82
158ebe585e7
hex55cc6c0d2

23031365842 has 8 divisors (see below), whose sum is σ = 36579228156. Its totient is φ = 10838289792.

The previous prime is 23031365827. The next prime is 23031365873. The reversal of 23031365842 is 24856313032.

It can be written as a sum of positive squares in 2 ways, for example, as 22994992881 + 36372961 = 151641^2 + 6031^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338696523 + ... + 338696590.

Almost surely, 223031365842 is an apocalyptic number.

23031365842 is a deficient number, since it is larger than the sum of its proper divisors (13547862314).

23031365842 is a wasteful number, since it uses less digits than its factorization.

23031365842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677393132.

The product of its (nonzero) digits is 103680, while the sum is 37.

Adding to 23031365842 its reverse (24856313032), we get a palindrome (47887678874).

The spelling of 23031365842 in words is "twenty-three billion, thirty-one million, three hundred sixty-five thousand, eight hundred forty-two".

Divisors: 1 2 17 34 677393113 1354786226 11515682921 23031365842