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13243159986 = 2371791761527
BaseRepresentation
bin11000101010101101…
…01001010110110010
31021011221100020020220
430111112221112302
5204110222104421
610030034513510
7646115000610
oct142526512662
937157306226
1013243159986
115686467121
122697135896
13133088ac54
148d8b846b0
155279843c6
hex3155a95b2

13243159986 has 32 divisors (see below), whose sum is σ = 30439203840. Its totient is φ = 3762619536.

The previous prime is 13243159939. The next prime is 13243160011. The reversal of 13243159986 is 68995134231.

13243159986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 873246 + ... + 888281.

It is an arithmetic number, because the mean of its divisors is an integer number (951225120).

Almost surely, 213243159986 is an apocalyptic number.

13243159986 is an abundant number, since it is smaller than the sum of its proper divisors (17196043854).

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

13243159986 is a wasteful number, since it uses less digits than its factorization.

13243159986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1761718.

The product of its digits is 1399680, while the sum is 51.

The spelling of 13243159986 in words is "thirteen billion, two hundred forty-three million, one hundred fifty-nine thousand, nine hundred eighty-six".

Divisors: 1 2 3 6 7 14 21 42 179 358 537 1074 1253 2506 3759 7518 1761527 3523054 5284581 10569162 12330689 24661378 36992067 73984134 315313333 630626666 945939999 1891879998 2207193331 4414386662 6621579993 13243159986