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28913765150 = 252619479923
BaseRepresentation
bin11010111011011001…
…010000101100011110
32202122001100110021202
4122323121100230132
5433203410441100
621141030155502
72042336643254
oct327331205436
982561313252
1028913765150
1111298080786
12572b1b2b92
13295a32399a
1415840905d4
15b435b17d5
hex6bb650b1e

28913765150 has 24 divisors (see below), whose sum is σ = 54661241784. Its totient is φ = 11375906400.

The previous prime is 28913765143. The next prime is 28913765191. The reversal of 28913765150 is 5156731982.

It is a junction number, because it is equal to n+sod(n) for n = 28913765095 and 28913765104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4736912 + ... + 4743011.

It is an arithmetic number, because the mean of its divisors is an integer number (2277551741).

Almost surely, 228913765150 is an apocalyptic number.

28913765150 is a deficient number, since it is larger than the sum of its proper divisors (25747476634).

28913765150 is a wasteful number, since it uses less digits than its factorization.

28913765150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9479996 (or 9479991 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 47.

The spelling of 28913765150 in words is "twenty-eight billion, nine hundred thirteen million, seven hundred sixty-five thousand, one hundred fifty".

Divisors: 1 2 5 10 25 50 61 122 305 610 1525 3050 9479923 18959846 47399615 94799230 236998075 473996150 578275303 1156550606 2891376515 5782753030 14456882575 28913765150