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20106564006 = 233351094001
BaseRepresentation
bin10010101110011100…
…011101000110100110
31220220021001021120210
4102232130131012212
5312134240022011
613123053240250
71311154655064
oct225634350646
956807037523
1020106564006
1185886a4151
123a91793086
131b857a9069
14d8a505034
157ca2ba6a6
hex4ae71d1a6

20106564006 has 8 divisors (see below), whose sum is σ = 40213128024. Its totient is φ = 6702188000.

The previous prime is 20106564001. The next prime is 20106564011. The reversal of 20106564006 is 60046560102.

It is an interprime number because it is at equal distance from previous prime (20106564001) and next prime (20106564011).

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

20106564006 is an admirable number.

It is a super-2 number, since 2×201065640062 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20106564001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1675546995 + ... + 1675547006.

It is an arithmetic number, because the mean of its divisors is an integer number (5026641003).

Almost surely, 220106564006 is an apocalyptic number.

20106564006 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20106564006 is a wasteful number, since it uses less digits than its factorization.

20106564006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3351094006.

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 20106564006 in words is "twenty billion, one hundred six million, five hundred sixty-four thousand, six".

Divisors: 1 2 3 6 3351094001 6702188002 10053282003 20106564006