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979986368904 = 23359692080769
BaseRepresentation
bin11100100001010111011…
…11010100100110001000
310110200111221020121212220
432100223233110212020
5112024003002301104
62030111032534040
7130541655460224
oct16205357244610
93420457217786
10979986368904
11348678836704
12139b17551320
1371548b2a68a
1435608413784
151a7597067d9
hexe42bbd4988

979986368904 has 32 divisors (see below), whose sum is σ = 2491490772000. Its totient is φ = 321125476352.

The previous prime is 979986368899. The next prime is 979986368947. The reversal of 979986368904 is 409863689979.

It is a super-2 number, since 2×9799863689042 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 979986368904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346038969 + ... + 346041800.

It is an arithmetic number, because the mean of its divisors is an integer number (77859086625).

Almost surely, 2979986368904 is an apocalyptic number.

It is an amenable number.

979986368904 is an abundant number, since it is smaller than the sum of its proper divisors (1511504403096).

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

979986368904 is a wasteful number, since it uses less digits than its factorization.

979986368904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692080837 (or 692080833 counting only the distinct ones).

The product of its (nonzero) digits is 1269789696, while the sum is 78.

The spelling of 979986368904 in words is "nine hundred seventy-nine billion, nine hundred eighty-six million, three hundred sixty-eight thousand, nine hundred four".

Divisors: 1 2 3 4 6 8 12 24 59 118 177 236 354 472 708 1416 692080769 1384161538 2076242307 2768323076 4152484614 5536646152 8304969228 16609938456 40832765371 81665530742 122498296113 163331061484 244996592226 326662122968 489993184452 979986368904