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20000103122 = 210000051561
BaseRepresentation
bin10010101000000110…
…010101101011010010
31220121211201111201002
4102220012111223102
5311430011244442
613104331342002
71305423033356
oct225006255322
956554644632
1020000103122
11853359a54a
123a61bb1902
131b6971285c
14d7a311466
157c0c8b732
hex4a8195ad2

20000103122 has 4 divisors (see below), whose sum is σ = 30000154686. Its totient is φ = 10000051560.

The previous prime is 20000103107. The next prime is 20000103131. The reversal of 20000103122 is 22130100002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16834803001 + 3165300121 = 129749^2 + 56261^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000025779 + ... + 5000025782.

Almost surely, 220000103122 is an apocalyptic number.

20000103122 is a deficient number, since it is larger than the sum of its proper divisors (10000051564).

20000103122 is a wasteful number, since it uses less digits than its factorization.

20000103122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10000051563.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 20000103122 its reverse (22130100002), we get a palindrome (42130203124).

The spelling of 20000103122 in words is "twenty billion, one hundred three thousand, one hundred twenty-two".

Divisors: 1 2 10000051561 20000103122