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8468660042 = 231712238627
BaseRepresentation
bin1111110001100010…
…10111111101001010
3210212012021111121122
413320301113331022
5114320434110132
63520200435242
7416601264653
oct77061277512
923765244548
108468660042
1136563796a7
121784178b22
13a4c67435b
145a4a2252a
15348722912
hex1f8c57f4a

8468660042 has 32 divisors (see below), whose sum is σ = 13358628864. Its totient is φ = 4021441200.

The previous prime is 8468660033. The next prime is 8468660047. The reversal of 8468660042 is 2400668648.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 8468659975 and 8468660002.

It is not an unprimeable number, because it can be changed into a prime (8468660047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 977333 + ... + 985959.

It is an arithmetic number, because the mean of its divisors is an integer number (417457152).

Almost surely, 28468660042 is an apocalyptic number.

8468660042 is a deficient number, since it is larger than the sum of its proper divisors (4889968822).

8468660042 is a wasteful number, since it uses less digits than its factorization.

8468660042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8954.

The product of its (nonzero) digits is 442368, while the sum is 44.

The square root of 8468660042 is about 92025.3228301863. The cubic root of 8468660042 is about 2038.3162482740.

The spelling of 8468660042 in words is "eight billion, four hundred sixty-eight million, six hundred sixty thousand, forty-two".

Divisors: 1 2 31 62 71 142 223 446 2201 4402 6913 8627 13826 15833 17254 31666 267437 490823 534874 612517 981646 1225034 1923821 3847642 18988027 37976054 59638451 119276902 136591291 273182582 4234330021 8468660042