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90761623511 = 1341023170189
BaseRepresentation
bin101010010000111010…
…0000111011111010111
322200021100000012011112
41110201310013133113
52441334433423021
6105410104325235
76362105033156
oct1244164073727
9280240005145
1090761623511
1135545630109
121570ba7381b
138735859590
14457011759d
152563172d5b
hex1521d077d7

90761623511 has 8 divisors (see below), whose sum is σ = 97746243840. Its totient is φ = 83777425632.

The previous prime is 90761623457. The next prime is 90761623523. The reversal of 90761623511 is 11532616709.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-90761623511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90761620511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 448205 + ... + 618393.

It is an arithmetic number, because the mean of its divisors is an integer number (12218280480).

Almost surely, 290761623511 is an apocalyptic number.

90761623511 is a deficient number, since it is larger than the sum of its proper divisors (6984620329).

90761623511 is a wasteful number, since it uses less digits than its factorization.

90761623511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211225.

The product of its (nonzero) digits is 68040, while the sum is 41.

The spelling of 90761623511 in words is "ninety billion, seven hundred sixty-one million, six hundred twenty-three thousand, five hundred eleven".

Divisors: 1 13 41023 170189 533299 2212457 6981663347 90761623511