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495743835680 = 2553181974033
BaseRepresentation
bin1110011011011001010…
…00101001111000100000
31202101121020111011101222
413031230220221320200
531110240410220210
61015424102514212
750546665035122
oct7155450517040
91671536434358
10495743835680
11181275520225
12800b3735968
1337996438c52
1419dcbc6b212
15cd6715c655
hex736ca29e20

495743835680 has 48 divisors (see below), whose sum is σ = 1171564199064. Its totient is φ = 198234992640.

The previous prime is 495743835679. The next prime is 495743835701. The reversal of 495743835680 is 86538347594.

It can be written as a sum of positive squares in 4 ways, for example, as 415308069136 + 80435766544 = 644444^2 + 283612^2 .

It is a super-2 number, since 2×4957438356802 (a number of 24 digits) contains 22 as substring.

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, 21944 + ... + 995976.

Almost surely, 2495743835680 is an apocalyptic number.

495743835680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

495743835680 is an abundant number, since it is smaller than the sum of its proper divisors (675820363384).

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

495743835680 is a wasteful number, since it uses less digits than its factorization.

495743835680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977229 (or 977221 counting only the distinct ones).

The product of its (nonzero) digits is 87091200, while the sum is 62.

The spelling of 495743835680 in words is "four hundred ninety-five billion, seven hundred forty-three million, eight hundred thirty-five thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 3181 6362 12724 15905 25448 31810 50896 63620 101792 127240 254480 508960 974033 1948066 3896132 4870165 7792264 9740330 15584528 19480660 31169056 38961320 77922640 155845280 3098398973 6196797946 12393595892 15491994865 24787191784 30983989730 49574383568 61967979460 99148767136 123935958920 247871917840 495743835680