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7139379180 = 2235241493733
BaseRepresentation
bin1101010011000101…
…00100011111101100
3200102120000001002010
412221202210133230
5104110140113210
63140233401220
7341630502363
oct65142443754
920376001063
107139379180
113033aa227a
121472b69210
1389a15682b
144ba27c7da
152bbb9b920
hex1a98a47ec

7139379180 has 48 divisors (see below), whose sum is σ = 20073249504. Its totient is φ = 1895930880.

The previous prime is 7139379179. The next prime is 7139379187. The reversal of 7139379180 is 819739317.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (7139379187) 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 15 ways as a sum of consecutive naturals, for example, 232407 + ... + 261326.

It is an arithmetic number, because the mean of its divisors is an integer number (418192698).

Almost surely, 27139379180 is an apocalyptic number.

It is an amenable number.

7139379180 is an abundant number, since it is smaller than the sum of its proper divisors (12933870324).

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

7139379180 is a wasteful number, since it uses less digits than its factorization.

7139379180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493986 (or 493984 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 48.

The square root of 7139379180 is about 84494.8470618179. The cubic root of 7139379180 is about 1925.5441587506.

The spelling of 7139379180 in words is "seven billion, one hundred thirty-nine million, three hundred seventy-nine thousand, one hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 241 482 723 964 1205 1446 2410 2892 3615 4820 7230 14460 493733 987466 1481199 1974932 2468665 2962398 4937330 5924796 7405995 9874660 14811990 29623980 118989653 237979306 356968959 475958612 594948265 713937918 1189896530 1427875836 1784844795 2379793060 3569689590 7139379180