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490697945484960 = 25351022287386427
BaseRepresentation
bin110111110010010011000010…
…0101110111000111010100000
32101100102021011111220121112110
41233210212010232320322200
51003304043343021004320
64455343305114355320
7205233520346241123
oct15744460456707240
92340367144817473
10490697945484960
11132395914836934
124705067112bb40
13180a5805151835
148925c9b8263ba
153bae2a64d25e0
hex1be4984bb8ea0

490697945484960 has 48 divisors (see below), whose sum is σ = 1545698528279136. Its totient is φ = 130852785462528.

The previous prime is 490697945484953. The next prime is 490697945485009. The reversal of 490697945484960 is 69484549796094.

It is a tau number, because it is divible by the number of its divisors (48).

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, 511143692734 + ... + 511143693693.

It is an arithmetic number, because the mean of its divisors is an integer number (32202052672482).

Almost surely, 2490697945484960 is an apocalyptic number.

490697945484960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

490697945484960 is an abundant number, since it is smaller than the sum of its proper divisors (1055000582794176).

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

490697945484960 is a wasteful number, since it uses less digits than its factorization.

490697945484960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022287386445 (or 1022287386437 counting only the distinct ones).

The product of its (nonzero) digits is 16930529280, while the sum is 84.

The spelling of 490697945484960 in words is "four hundred ninety trillion, six hundred ninety-seven billion, nine hundred forty-five million, four hundred eighty-four thousand, nine hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 1022287386427 2044574772854 3066862159281 4089149545708 5111436932135 6133724318562 8178299091416 10222873864270 12267448637124 15334310796405 16356598182832 20445747728540 24534897274248 30668621592810 32713196365664 40891495457080 49069794548496 61337243185620 81782990914160 98139589096992 122674486371240 163565981828320 245348972742480 490697945484960