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20103122122 = 2107870710789
BaseRepresentation
bin10010101110001111…
…010100110011001010
31220220000120102012121
4102232033110303022
5312132344401442
613122451401454
71311113501326
oct225617246312
956800512177
1020103122122
118586763216
123a905b328a
131b84b72545
14d89c8a986
157c9d3a967
hex4ae3d4cca

20103122122 has 16 divisors (see below), whose sum is σ = 30442819680. Its totient is φ = 9955554768.

The previous prime is 20103122099. The next prime is 20103122177. The reversal of 20103122122 is 22122130102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20103122096 and 20103122105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1857904 + ... + 1868692.

It is an arithmetic number, because the mean of its divisors is an integer number (1902676230).

Almost surely, 220103122122 is an apocalyptic number.

20103122122 is a deficient number, since it is larger than the sum of its proper divisors (10339697558).

20103122122 is a wasteful number, since it uses less digits than its factorization.

20103122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19605.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20103122122 its reverse (22122130102), we get a palindrome (42225252224).

The spelling of 20103122122 in words is "twenty billion, one hundred three million, one hundred twenty-two thousand, one hundred twenty-two".

Divisors: 1 2 107 214 8707 10789 17414 21578 931649 1154423 1863298 2308846 93939823 187879646 10051561061 20103122122