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490666676766 = 23771916248317
BaseRepresentation
bin1110010001111100000…
…00110101001000011110
31201220111101220202201020
413020332000311020132
531014341132124031
61013224213425010
750310114636420
oct7107600651036
91656441822636
10490666676766
1117a0aa602622
127b11733b166
13373676031c6
1419a69842810
15cb6b564096
hex723e03521e

490666676766 has 32 divisors (see below), whose sum is σ = 1123083740160. Its totient is φ = 139995490656.

The previous prime is 490666676743. The next prime is 490666676783. The reversal of 490666676766 is 667676666094.

It is a self number, because there is not a number n which added to its sum of digits gives 490666676766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8093961 + ... + 8154356.

It is an arithmetic number, because the mean of its divisors is an integer number (35096366880).

Almost surely, 2490666676766 is an apocalyptic number.

490666676766 is an abundant number, since it is smaller than the sum of its proper divisors (632417063394).

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

490666676766 is a wasteful number, since it uses less digits than its factorization.

490666676766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16249048.

The product of its (nonzero) digits is 493807104, while the sum is 69.

The spelling of 490666676766 in words is "four hundred ninety billion, six hundred sixty-six million, six hundred seventy-six thousand, seven hundred sixty-six".

Divisors: 1 2 3 6 7 14 21 42 719 1438 2157 4314 5033 10066 15099 30198 16248317 32496634 48744951 97489902 113738219 227476438 341214657 682429314 11682539923 23365079846 35047619769 70095239538 81777779461 163555558922 245333338383 490666676766