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20035183685 = 5111991830533
BaseRepresentation
bin10010101010001100…
…001010010001000101
31220201021201210012012
4102222030022101011
5312013001334220
613112023304005
71306330152146
oct225214122105
956637653165
1020035183685
118551380050
123a718ab005
131b73a7619a
14d80c43acd
157c3dbaac5
hex4aa30a445

20035183685 has 16 divisors (see below), whose sum is σ = 26359689600. Its totient is φ = 14497813440.

The previous prime is 20035183639. The next prime is 20035183703. The reversal of 20035183685 is 58638153002.

It is not a de Polignac number, because 20035183685 - 212 = 20035179589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 904322 + ... + 926211.

It is an arithmetic number, because the mean of its divisors is an integer number (1647480600).

Almost surely, 220035183685 is an apocalyptic number.

It is an amenable number.

20035183685 is a deficient number, since it is larger than the sum of its proper divisors (6324505915).

20035183685 is a wasteful number, since it uses less digits than its factorization.

20035183685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830748.

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 20035183685 in words is "twenty billion, thirty-five million, one hundred eighty-three thousand, six hundred eighty-five".

Divisors: 1 5 11 55 199 995 2189 10945 1830533 9152665 20135863 100679315 364276067 1821380335 4007036737 20035183685