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6942435381 = 327110197387
BaseRepresentation
bin1100111011100110…
…10010100000110101
3122220211102020222100
412131303102200311
5103204230413011
63104520252313
7334016504250
oct63563224065
918824366870
106942435381
112a42907502
121419011099
138683cc63b
1449c054097
152a9747d56
hex19dcd2835

6942435381 has 12 divisors (see below), whose sum is σ = 11460528352. Its totient is φ = 3967105896.

The previous prime is 6942435361. The next prime is 6942435389. The reversal of 6942435381 is 1835342496.

6942435381 is a `hidden beast` number, since 6 + 94 + 24 + 3 + 538 + 1 = 666.

It is not a de Polignac number, because 6942435381 - 25 = 6942435349 is a prime.

It is a super-2 number, since 2×69424353812 = 96394818038721230322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6942435389) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 55098631 + ... + 55098756.

Almost surely, 26942435381 is an apocalyptic number.

It is an amenable number.

6942435381 is a deficient number, since it is larger than the sum of its proper divisors (4518092971).

6942435381 is a wasteful number, since it uses less digits than its factorization.

6942435381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110197400 (or 110197397 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 6942435381 is about 83321.2780806920. The cubic root of 6942435381 is about 1907.6730688937.

The spelling of 6942435381 in words is "six billion, nine hundred forty-two million, four hundred thirty-five thousand, three hundred eighty-one".

Divisors: 1 3 7 9 21 63 110197387 330592161 771381709 991776483 2314145127 6942435381