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682393919572 = 221133388944549
BaseRepresentation
bin10011110111000011101…
…10001110000001010100
32102020101012112211210001
421323201312032001110
542140020320411242
61241253141541044
7100205233416661
oct11734166160124
92366335484701
10682393919572
11243446639902
12b0304414784
134c470a2c481
1425056d38a68
1512b3d5b0eb7
hex9ee1d8e054

682393919572 has 24 divisors (see below), whose sum is σ = 1204820001000. Its totient is φ = 338159947776.

The previous prime is 682393919561. The next prime is 682393919593. The reversal of 682393919572 is 275919393286.

It can be written as a sum of positive squares in 4 ways, for example, as 15208808976 + 667185110596 = 123324^2 + 816814^2 .

It is a super-2 number, since 2×6823939195722 (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (64) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 15295554 + ... + 15340102.

It is an arithmetic number, because the mean of its divisors is an integer number (50200833375).

Almost surely, 2682393919572 is an apocalyptic number.

It is an amenable number.

682393919572 is a deficient number, since it is larger than the sum of its proper divisors (522426081428).

682393919572 is a wasteful number, since it uses less digits than its factorization.

682393919572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78555 (or 78553 counting only the distinct ones).

The product of its digits is 44089920, while the sum is 64.

The spelling of 682393919572 in words is "six hundred eighty-two billion, three hundred ninety-three million, nine hundred nineteen thousand, five hundred seventy-two".

Divisors: 1 2 4 113 226 452 33889 44549 67778 89098 135556 178196 3829457 5034037 7658914 10068074 15317828 20136148 1509721061 3019442122 6038884244 170598479893 341196959786 682393919572