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23152090488 = 2335318201329
BaseRepresentation
bin10101100011111110…
…001101110101111000
32012202111202001111220
4111203332031311320
5334403413343423
614345205352040
71446505344042
oct254376156570
965674661456
1023152090488
11990082a28a
1245a1708620
13224c740737
141198b9ca92
159078539e3
hex563f8dd78

23152090488 has 32 divisors (see below), whose sum is σ = 58972309200. Its totient is φ = 7571752448.

The previous prime is 23152090477. The next prime is 23152090517. The reversal of 23152090488 is 88409025132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9099393 + ... + 9101936.

Almost surely, 223152090488 is an apocalyptic number.

It is an amenable number.

23152090488 is an abundant number, since it is smaller than the sum of its proper divisors (35820218712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23152090488 is a wasteful number, since it uses less digits than its factorization.

23152090488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18201391 (or 18201387 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 23152090488 in words is "twenty-three billion, one hundred fifty-two million, ninety thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 24 53 106 159 212 318 424 636 1272 18201329 36402658 54603987 72805316 109207974 145610632 218415948 436831896 964670437 1929340874 2894011311 3858681748 5788022622 7717363496 11576045244 23152090488