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90497041782 = 2376135322811
BaseRepresentation
bin101010001001000001…
…0110100010101110110
322122120220011001021020
41110102002310111312
52440314220314112
6105323533402010
76352413106650
oct1242202642566
9278526131236
1090497041782
113541a247a24
1215657339306
1386c2aaca44
144546d236d0
152549d0d48c
hex15120b4576

90497041782 has 32 divisors (see below), whose sum is σ = 210241377024. Its totient is φ = 25432423200.

The previous prime is 90497041771. The next prime is 90497041787. The reversal of 90497041782 is 28714079409.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90497041787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17658844 + ... + 17663967.

It is an arithmetic number, because the mean of its divisors is an integer number (6570043032).

Almost surely, 290497041782 is an apocalyptic number.

90497041782 is an abundant number, since it is smaller than the sum of its proper divisors (119744335242).

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

90497041782 is a wasteful number, since it uses less digits than its factorization.

90497041782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35322884.

The product of its (nonzero) digits is 1016064, while the sum is 51.

The spelling of 90497041782 in words is "ninety billion, four hundred ninety-seven million, forty-one thousand, seven hundred eighty-two".

Divisors: 1 2 3 6 7 14 21 42 61 122 183 366 427 854 1281 2562 35322811 70645622 105968433 211936866 247259677 494519354 741779031 1483558062 2154691471 4309382942 6464074413 12928148826 15082840297 30165680594 45248520891 90497041782