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6890015934 = 2323491096787
BaseRepresentation
bin1100110101010110…
…10100110010111110
3122210011210002000100
412122223110302332
5103102321002214
63055404541530
7332512112004
oct63253246276
918704702010
106890015934
112a16263a4a
1214035518a6
1385a5a7c09
144950caa74
152a4d41309
hex19aad4cbe

6890015934 has 24 divisors (see below), whose sum is σ = 14971156200. Its totient is φ = 2290089168.

The previous prime is 6890015933. The next prime is 6890015959. The reversal of 6890015934 is 4395100986.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 6890015934.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6890015933) 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 11 ways as a sum of consecutive naturals, for example, 542112 + ... + 554675.

It is an arithmetic number, because the mean of its divisors is an integer number (623798175).

Almost surely, 26890015934 is an apocalyptic number.

6890015934 is an abundant number, since it is smaller than the sum of its proper divisors (8081140266).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6890015934 is a wasteful number, since it uses less digits than its factorization.

6890015934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097144 (or 1097141 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 6890015934 is about 83006.1198587189. The cubic root of 6890015934 is about 1902.8595845283.

The spelling of 6890015934 in words is "six billion, eight hundred ninety million, fifteen thousand, nine hundred thirty-four".

Divisors: 1 2 3 6 9 18 349 698 1047 2094 3141 6282 1096787 2193574 3290361 6580722 9871083 19742166 382778663 765557326 1148335989 2296671978 3445007967 6890015934