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20000953659 = 315511429823
BaseRepresentation
bin10010101000001001…
…100101010100111011
31220121220022201102110
4102220021211110323
5311430221004114
613104401503403
71305433205151
oct225011452473
956556281373
1020000953659
118534020575
123a62341b63
131b6994ca2b
14d7a4933d1
157c0da8759
hex4a826553b

20000953659 has 8 divisors (see below), whose sum is σ = 26669719552. Its totient is φ = 13333078440.

The previous prime is 20000953639. The next prime is 20000953673. The reversal of 20000953659 is 95635900002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20000953659 - 28 = 20000953403 is a prime.

It is a super-3 number, since 3×200009536593 (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20000953619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168379 + ... + 261444.

It is an arithmetic number, because the mean of its divisors is an integer number (3333714944).

Almost surely, 220000953659 is an apocalyptic number.

20000953659 is a deficient number, since it is larger than the sum of its proper divisors (6668765893).

20000953659 is a wasteful number, since it uses less digits than its factorization.

20000953659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445337.

The product of its (nonzero) digits is 72900, while the sum is 39.

The spelling of 20000953659 in words is "twenty billion, nine hundred fifty-three thousand, six hundred fifty-nine".

Divisors: 1 3 15511 46533 429823 1289469 6666984553 20000953659