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2680509144 = 233322934589
BaseRepresentation
bin1001111111000101…
…0101001011011000
320220210211222021110
42133301111023120
520442202243034
61121552340320
7123265644315
oct23761251330
96823758243
102680509144
111156094215
126298446a0
13339450cb1
141b5ddbd0c
1510a4d4de9
hex9fc552d8

2680509144 has 32 divisors (see below), whose sum is σ = 6703542000. Its totient is φ = 893200512.

The previous prime is 2680509137. The next prime is 2680509191. The reversal of 2680509144 is 4419050862.

It is a super-2 number, since 2×26805091442 = 14370258542135225472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60202 + ... + 94790.

Almost surely, 22680509144 is an apocalyptic number.

2680509144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2680509144 is an abundant number, since it is smaller than the sum of its proper divisors (4023032856).

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

2680509144 is a wasteful number, since it uses less digits than its factorization.

2680509144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37827 (or 37823 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 2680509144 is about 51773.6336758393. The cubic root of 2680509144 is about 1389.1178682563.

The spelling of 2680509144 in words is "two billion, six hundred eighty million, five hundred nine thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 3229 6458 9687 12916 19374 25832 34589 38748 69178 77496 103767 138356 207534 276712 415068 830136 111687881 223375762 335063643 446751524 670127286 893503048 1340254572 2680509144