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90089295191 = 754123789093
BaseRepresentation
bin101001111100110111…
…1011000110101010111
322121112110220101002122
41103321233120311113
52434000324421231
6105215250130155
76336332242250
oct1237157306527
9277473811078
1090089295191
1135230070975
121556288095b
13865948847c
144508b03b27
15252411977b
hex14f9bd8d57

90089295191 has 8 divisors (see below), whose sum is σ = 103149511584. Its totient is φ = 77076658080.

The previous prime is 90089295187. The next prime is 90089295221. The reversal of 90089295191 is 19159298009.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90089295191 - 22 = 90089295187 is a prime.

It is a super-2 number, since 2×900892951912 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90089295091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11890760 + ... + 11898333.

It is an arithmetic number, because the mean of its divisors is an integer number (12893688948).

Almost surely, 290089295191 is an apocalyptic number.

90089295191 is a deficient number, since it is larger than the sum of its proper divisors (13060216393).

90089295191 is a wasteful number, since it uses less digits than its factorization.

90089295191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23789641.

The product of its (nonzero) digits is 524880, while the sum is 53.

The spelling of 90089295191 in words is "ninety billion, eighty-nine million, two hundred ninety-five thousand, one hundred ninety-one".

Divisors: 1 7 541 3787 23789093 166523651 12869899313 90089295191