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20102122022209 = 685722147132371
BaseRepresentation
bin1001001001000011000111…
…10101111010010101000001
32122011202002110001202010121
410210201203311322111001
510113323121214202314
6110430442023300241
74143221215625023
oct444414365722501
978152073052117
1020102122022209
1164502979028a7
122307b13baa681
13b2a811622006
144d6d3b05c013
1524cd80537d24
hex124863d7a541

20102122022209 has 8 divisors (see below), whose sum is σ = 20106113334048. Its totient is φ = 20098131033120.

The previous prime is 20102122022167. The next prime is 20102122022243. The reversal of 20102122022209 is 90222022120102.

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

It is a cyclic number.

It is not a de Polignac number, because 20102122022209 - 231 = 20099974538561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20102122022249) 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, 151795794 + ... + 151928164.

It is an arithmetic number, because the mean of its divisors is an integer number (2513264166756).

Almost surely, 220102122022209 is an apocalyptic number.

It is an amenable number.

20102122022209 is a deficient number, since it is larger than the sum of its proper divisors (3991311839).

20102122022209 is a wasteful number, since it uses less digits than its factorization.

20102122022209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161375.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 20102122022209 in words is "twenty trillion, one hundred two billion, one hundred twenty-two million, twenty-two thousand, two hundred nine".

Divisors: 1 6857 22147 132371 151861979 907667947 2931620537 20102122022209