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6853732137 = 387791889
BaseRepresentation
bin1100110001000001…
…11010011100101001
3122200122111200000000
412120200322130221
5103014023412022
63052031133213
7331561522230
oct63040723451
918618450000
106853732137
1129a783143a
1213b3374209
13852c12a05
14490363b17
152a1a756ac
hex19883a729

6853732137 has 72 divisors (see below), whose sum is σ = 11903673600. Its totient is φ = 3864796416.

The previous prime is 6853732133. The next prime is 6853732147. The reversal of 6853732137 is 7312373586.

6853732137 is a `hidden beast` number, since 68 + 5 + 373 + 213 + 7 = 666.

It is not a de Polignac number, because 6853732137 - 22 = 6853732133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6853732092 and 6853732101.

It is not an unprimeable number, because it can be changed into a prime (6853732133) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3627289 + ... + 3629177.

It is an arithmetic number, because the mean of its divisors is an integer number (165328800).

Almost surely, 26853732137 is an apocalyptic number.

It is an amenable number.

6853732137 is a deficient number, since it is larger than the sum of its proper divisors (5049941463).

6853732137 is an frugal number, since it uses more digits than its factorization.

6853732137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1999 (or 1978 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The square root of 6853732137 is about 82787.2703801738. The cubic root of 6853732137 is about 1899.5134614785.

The spelling of 6853732137 in words is "six billion, eight hundred fifty-three million, seven hundred thirty-two thousand, one hundred thirty-seven".

Divisors: 1 3 7 9 21 27 63 79 81 189 237 243 553 567 711 729 1659 1701 1889 2133 2187 4977 5103 5667 6399 6561 13223 14931 15309 17001 19197 39669 44793 45927 51003 57591 119007 134379 149231 153009 172773 357021 403137 447693 459027 518319 1044617 1071063 1209411 1343079 1377081 3133851 3213189 3628233 4029237 4131243 9401553 9639567 12087711 12393729 28204659 28918701 36263133 84613977 86756103 108789399 253841931 326368197 761525793 979104591 2284577379 6853732137