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101082681 = 3371134733
BaseRepresentation
bin1100000011001…
…10011000111001
321001012112101000
412001212120321
5201334121211
614010315213
72335121460
oct601463071
9231175330
10101082681
1152070a07
1229a28b09
1317c3254b
14d5d39d7
158d1a656
hex6066639

101082681 has 32 divisors (see below), whose sum is σ = 172696320. Its totient is φ = 57238272.

The previous prime is 101082659. The next prime is 101082701. The reversal of 101082681 is 186280101.

It is not a de Polignac number, because 101082681 - 25 = 101082649 is a prime.

It is a super-2 number, since 2×1010826812 = 20435416796295522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (101082601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18991 + ... + 23723.

It is an arithmetic number, because the mean of its divisors is an integer number (5396760).

Almost surely, 2101082681 is an apocalyptic number.

It is an amenable number.

101082681 is a deficient number, since it is larger than the sum of its proper divisors (71613639).

101082681 is a wasteful number, since it uses less digits than its factorization.

101082681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4862 (or 4856 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

The square root of 101082681 is about 10053.9883131024. The cubic root of 101082681 is about 465.8279940746.

The spelling of 101082681 in words is "one hundred one million, eighty-two thousand, six hundred eighty-one".

Divisors: 1 3 7 9 21 27 63 113 189 339 791 1017 2373 3051 4733 7119 14199 21357 33131 42597 99393 127791 298179 534829 894537 1604487 3743803 4813461 11231409 14440383 33694227 101082681