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90974430516480 = 28357191254714197
BaseRepresentation
bin10100101011110110100010…
…100111010101010100000000
3102221010001220111000100121020
4110223312202213111110000
543411011113203011410
6521253024301225440
725106454124302540
oct2453664247252400
9387101814010536
1090974430516480
1126a95048367695
12a253554862280
133b9bb0ca7a264
1418672862a1320
15a7b6c142ea70
hex52bda29d5500

90974430516480 has 576 divisors, whose sum is σ = 349585818408960. Its totient is φ = 19696768745472.

The previous prime is 90974430516449. The next prime is 90974430516521. The reversal of 90974430516480 is 8461503447909.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6407996742 + ... + 6408010938.

Almost surely, 290974430516480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90974430516480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174792909204480).

90974430516480 is an abundant number, since it is smaller than the sum of its proper divisors (258611387892480).

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

90974430516480 is a wasteful number, since it uses less digits than its factorization.

90974430516480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26794 (or 26780 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 60.

The spelling of 90974430516480 in words is "ninety trillion, nine hundred seventy-four billion, four hundred thirty million, five hundred sixteen thousand, four hundred eighty".