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6914268431 = 7322139109
BaseRepresentation
bin1100111000001111…
…10101110100001111
3122211212102020011222
412130013311310033
5103130023042211
63102032433555
7333225212000
oct63407656417
918755366158
106914268431
112a28a19234
12140b6a88bb
13862619ac5
144984011a7
152a70321db
hex19c1f5d0f

6914268431 has 16 divisors (see below), whose sum is σ = 8067816000. Its totient is φ = 5923187424.

The previous prime is 6914268419. The next prime is 6914268433. The reversal of 6914268431 is 1348624196.

It is a de Polignac number, because none of the positive numbers 2k-6914268431 is a prime.

It is a super-2 number, since 2×69142684312 = 95614215871846403522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6914268433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 754505 + ... + 763613.

It is an arithmetic number, because the mean of its divisors is an integer number (504238500).

Almost surely, 26914268431 is an apocalyptic number.

6914268431 is a deficient number, since it is larger than the sum of its proper divisors (1153547569).

6914268431 is an equidigital number, since it uses as much as digits as its factorization.

6914268431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11343 (or 11329 counting only the distinct ones).

The product of its digits is 248832, while the sum is 44.

The square root of 6914268431 is about 83152.0801363381. The cubic root of 6914268431 is about 1905.0896255507.

The spelling of 6914268431 in words is "six billion, nine hundred fourteen million, two hundred sixty-eight thousand, four hundred thirty-one".

Divisors: 1 7 49 343 2213 9109 15491 63763 108437 446341 759059 3124387 20158217 141107519 987752633 6914268431