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23127321090 = 235954780749
BaseRepresentation
bin10101100010011111…
…101110101000000010
32012200210010122021210
4111202133232220002
5334331043233330
614342522430550
71446054662046
oct254237565002
965623118253
1023127321090
119898851705
124595362456
13224757a4a3
141195792026
159055ae8b0
hex5627eea02

23127321090 has 32 divisors (see below), whose sum is σ = 55512072000. Its totient is φ = 6166563264.

The previous prime is 23127321083. The next prime is 23127321103. The reversal of 23127321090 is 9012372132.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246036 + ... + 326784.

It is an arithmetic number, because the mean of its divisors is an integer number (1734752250).

Almost surely, 223127321090 is an apocalyptic number.

23127321090 is an abundant number, since it is smaller than the sum of its proper divisors (32384750910).

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

23127321090 is a wasteful number, since it uses less digits than its factorization.

23127321090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90306.

The product of its (nonzero) digits is 4536, while the sum is 30.

The spelling of 23127321090 in words is "twenty-three billion, one hundred twenty-seven million, three hundred twenty-one thousand, ninety".

Divisors: 1 2 3 5 6 10 15 30 9547 19094 28641 47735 57282 80749 95470 143205 161498 242247 286410 403745 484494 807490 1211235 2422470 770910703 1541821406 2312732109 3854553515 4625464218 7709107030 11563660545 23127321090