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12942365890 = 2556914591559
BaseRepresentation
bin11000000110110110…
…01101010011000010
31020101222100022022211
430003123031103002
5203001221202030
65540131452334
7635503203106
oct140333152302
936358308284
1012942365890
1155416a0063
1226124570aa
1312b347288c
148aac45906
1550b36a12a
hex3036cd4c2

12942365890 has 32 divisors (see below), whose sum is σ = 23368176000. Its totient is φ = 5160993408.

The previous prime is 12942365861. The next prime is 12942365921. The reversal of 12942365890 is 9856324921.

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, 8300931 + ... + 8302489.

It is an arithmetic number, because the mean of its divisors is an integer number (730255500).

Almost surely, 212942365890 is an apocalyptic number.

12942365890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12942365890 is a deficient number, since it is larger than the sum of its proper divisors (10425810110).

12942365890 is a wasteful number, since it uses less digits than its factorization.

12942365890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3594.

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 12942365890 in words is "twelve billion, nine hundred forty-two million, three hundred sixty-five thousand, eight hundred ninety".

Divisors: 1 2 5 10 569 1138 1459 1559 2845 2918 3118 5690 7295 7795 14590 15590 830171 887071 1660342 1774142 2274581 4150855 4435355 4549162 8301710 8870710 11372905 22745810 1294236589 2588473178 6471182945 12942365890