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509994494944 = 25114992903503
BaseRepresentation
bin1110110101111100000…
…10100110101111100000
31210202101101121122211221
413122332002212233200
531323432042314234
61030142131544424
751563065452514
oct7327602465740
91722341548757
10509994494944
11187318662480
1282a1015b114
133912795b5cc
141a980752144
15d3ed2a4eb4
hex76be0a6be0

509994494944 has 48 divisors (see below), whose sum is σ = 1097524512000. Its totient is φ = 231351039360.

The previous prime is 509994494869. The next prime is 509994494957. The reversal of 509994494944 is 449494499905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1276104 + ... + 1627399.

It is an arithmetic number, because the mean of its divisors is an integer number (22865094000).

Almost surely, 2509994494944 is an apocalyptic number.

It is an amenable number.

509994494944 is an abundant number, since it is smaller than the sum of its proper divisors (587530017056).

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

509994494944 is a wasteful number, since it uses less digits than its factorization.

509994494944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2904023 (or 2904015 counting only the distinct ones).

The product of its (nonzero) digits is 302330880, while the sum is 70.

The spelling of 509994494944 in words is "five hundred nine billion, nine hundred ninety-four million, four hundred ninety-four thousand, nine hundred forty-four".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 352 499 998 1996 3992 5489 7984 10978 15968 21956 43912 87824 175648 2903503 5807006 11614012 23228024 31938533 46456048 63877066 92912096 127754132 255508264 511016528 1022033056 1448847997 2897695994 5795391988 11590783976 15937327967 23181567952 31874655934 46363135904 63749311868 127498623736 254997247472 509994494944