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90264579067387 = 1731794921547369
BaseRepresentation
bin10100100001100001011100…
…001010111100110111111011
3102211121012122201021111021101
4110201201130022330313323
543312343324220124022
6515550550345152231
725004254262450224
oct2441413412746773
9384535581244241
1090264579067387
1126840aa176652a
12a159a68a8b677
133b49bb46352ca
141840b8686624b
15a67ec755e627
hex52185c2bcdfb

90264579067387 has 16 divisors (see below), whose sum is σ = 98669716704000. Its totient is φ = 82204070814720.

The previous prime is 90264579067373. The next prime is 90264579067417. The reversal of 90264579067387 is 78376097546209.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-90264579067387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90264579067307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6584562 + ... + 14962807.

It is an arithmetic number, because the mean of its divisors is an integer number (6166857294000).

Almost surely, 290264579067387 is an apocalyptic number.

90264579067387 is a deficient number, since it is larger than the sum of its proper divisors (8405137636613).

90264579067387 is a wasteful number, since it uses less digits than its factorization.

90264579067387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21555366.

The product of its (nonzero) digits is 960180480, while the sum is 73.

The spelling of 90264579067387 in words is "ninety trillion, two hundred sixty-four billion, five hundred seventy-nine million, sixty-seven thousand, three hundred eighty-seven".

Divisors: 1 17 31 527 7949 135133 246419 4189123 21547369 366305273 667968439 11355463463 171280036181 2911760615077 5309681121611 90264579067387