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6840693755 = 57237754627
BaseRepresentation
bin1100101111011110…
…01011001111111011
3122122201222020200222
412113233023033323
5103002204200010
63050443450255
7331342636400
oct62757131773
918581866628
106840693755
1129a0436515
1213aab2698b
138502c91ac
1448c72c2a7
152a084c355
hex197bcb3fb

6840693755 has 24 divisors (see below), whose sum is σ = 9807145488. Its totient is φ = 4563978048.

The previous prime is 6840693707. The next prime is 6840693757. The reversal of 6840693755 is 5573960486.

It is not a de Polignac number, because 6840693755 - 28 = 6840693499 is a prime.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 6840693697 and 6840693706.

It is not an unprimeable number, because it can be changed into a prime (6840693757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 368249 + ... + 386378.

It is an arithmetic number, because the mean of its divisors is an integer number (408631062).

Almost surely, 26840693755 is an apocalyptic number.

6840693755 is a deficient number, since it is larger than the sum of its proper divisors (2966451733).

6840693755 is a wasteful number, since it uses less digits than its factorization.

6840693755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754683 (or 754676 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 53.

The square root of 6840693755 is about 82708.4865959957. The cubic root of 6840693755 is about 1898.3081666419.

The spelling of 6840693755 in words is "six billion, eight hundred forty million, six hundred ninety-three thousand, seven hundred fifty-five".

Divisors: 1 5 7 35 37 49 185 245 259 1295 1813 9065 754627 3773135 5282389 26411945 27921199 36976723 139605995 184883615 195448393 977241965 1368138751 6840693755