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1660107879812 = 22432795915639
BaseRepresentation
bin11000001010000110001…
…000111111010110000100
312212201000202212011000002
4120022012020333112010
5204144400104123222
63310350521140432
7230640010103114
oct30120610772604
95781022764002
101660107879812
1159005868a218
122298a692a718
13c0716b25525
145a4c7623044
152d2b3546392
hex1828623f584

1660107879812 has 12 divisors (see below), whose sum is σ = 2905860229440. Its totient is φ = 829862099976.

The previous prime is 1660107879811. The next prime is 1660107879847. The reversal of 1660107879812 is 2189787010661.

It is a happy number.

It is a super-2 number, since 2×16601078798122 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1660107879811) 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 3 ways as a sum of consecutive naturals, for example, 47940512 + ... + 47975127.

It is an arithmetic number, because the mean of its divisors is an integer number (242155019120).

Almost surely, 21660107879812 is an apocalyptic number.

It is an amenable number.

1660107879812 is a deficient number, since it is larger than the sum of its proper divisors (1245752349628).

1660107879812 is a wasteful number, since it uses less digits than its factorization.

1660107879812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95919970 (or 95919968 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 56.

The spelling of 1660107879812 in words is "one trillion, six hundred sixty billion, one hundred seven million, eight hundred seventy-nine thousand, eight hundred twelve".

Divisors: 1 2 4 4327 8654 17308 95915639 191831278 383662556 415026969953 830053939906 1660107879812