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90492990336 = 2732753832551
BaseRepresentation
bin101010001000111001…
…1010111001110000000
322122120121112012201200
41110101303113032000
52440312201142321
6105323310501200
76352333504110
oct1242163271600
9278517465650
1090492990336
1135417a30021
1215655b04800
1386c1cc1938
14454658b040
1525497acd26
hex1511cd7380

90492990336 has 384 divisors, whose sum is σ = 306992125440. Its totient is φ = 25051852800.

The previous prime is 90492990317. The next prime is 90492990359. The reversal of 90492990336 is 63309929409.

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-3 number, since 3×904929903363 (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35472261 + ... + 35474811.

It is an arithmetic number, because the mean of its divisors is an integer number (799458660).

Almost surely, 290492990336 is an apocalyptic number.

90492990336 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90492990336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153496062720).

90492990336 is an abundant number, since it is smaller than the sum of its proper divisors (216499135104).

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

90492990336 is a wasteful number, since it uses less digits than its factorization.

90492990336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2714 (or 2699 counting only the distinct ones).

The product of its (nonzero) digits is 2834352, while the sum is 54.

The spelling of 90492990336 in words is "ninety billion, four hundred ninety-two million, nine hundred ninety thousand, three hundred thirty-six".