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681374983422 = 237139116713769
BaseRepresentation
bin10011110101001010001…
…11010010010011111110
32102010202012020112011010
421322211013102103332
542130423443432142
61241004102340050
7100141051540440
oct11724507222376
92363665215133
10681374983422
11242a73462011
12b007b12a626
134c33a8c2183
1424d9b89c490
1512acdddde9c
hex9ea51d24fe

681374983422 has 32 divisors (see below), whose sum is σ = 1568633068800. Its totient is φ = 193277999808.

The previous prime is 681374983397. The next prime is 681374983453. The reversal of 681374983422 is 224389473186.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58351047 + ... + 58362722.

It is an arithmetic number, because the mean of its divisors is an integer number (49019783400).

Almost surely, 2681374983422 is an apocalyptic number.

681374983422 is an abundant number, since it is smaller than the sum of its proper divisors (887258085378).

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

681374983422 is a wasteful number, since it uses less digits than its factorization.

681374983422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116713920.

The product of its digits is 13934592, while the sum is 57.

The spelling of 681374983422 in words is "six hundred eighty-one billion, three hundred seventy-four million, nine hundred eighty-three thousand, four hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 139 278 417 834 973 1946 2919 5838 116713769 233427538 350141307 700282614 816996383 1633992766 2450989149 4901978298 16223213891 32446427782 48669641673 97339283346 113562497237 227124994474 340687491711 681374983422