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90430800968 = 2311303850121
BaseRepresentation
bin101010000111000011…
…0001000010001001000
322122102021111122221202
41110032012020101020
52440200241112333
6105313205523332
76350650061024
oct1241606102110
9278367448852
1090430800968
1135395914252
1215639113548
1386b21592b1
14453c1dd384
1525440c65e8
hex150e188448

90430800968 has 8 divisors (see below), whose sum is σ = 169557751830. Its totient is φ = 45215400480.

The previous prime is 90430800959. The next prime is 90430801031. The reversal of 90430800968 is 86900803409.

It can be written as a sum of positive squares in only one way, i.e., 90145258564 + 285542404 = 300242^2 + 16898^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5651925053 + ... + 5651925068.

Almost surely, 290430800968 is an apocalyptic number.

It is an amenable number.

90430800968 is a deficient number, since it is larger than the sum of its proper divisors (79126950862).

90430800968 is a wasteful number, since it uses less digits than its factorization.

90430800968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11303850127 (or 11303850123 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 47.

The spelling of 90430800968 in words is "ninety billion, four hundred thirty million, eight hundred thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 11303850121 22607700242 45215400484 90430800968