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2100312102 = 23750007431
BaseRepresentation
bin111110100110000…
…0011100000100110
312102101002220120010
41331030003200212
513300134441402
6544224551050
7103022233620
oct17514034046
95371086503
102100312102
11988631629
124a7482486
13276199c35
1415cd2bc10
15c45c9a6c
hex7d303826

2100312102 has 16 divisors (see below), whose sum is σ = 4800713472. Its totient is φ = 600089160.

The previous prime is 2100312029. The next prime is 2100312199. The reversal of 2100312102 is 2012130012.

It is a super-2 number, since 2×21003121022 = 8822621851615316808, which contains 22 as substring.

It is a congruent number.

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, 25003674 + ... + 25003757.

It is an arithmetic number, because the mean of its divisors is an integer number (300044592).

Almost surely, 22100312102 is an apocalyptic number.

2100312102 is an abundant number, since it is smaller than the sum of its proper divisors (2700401370).

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

2100312102 is a wasteful number, since it uses less digits than its factorization.

2100312102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50007443.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2100312102 is about 45829.1621350424. The cubic root of 2100312102 is about 1280.6426017368.

Adding to 2100312102 its reverse (2012130012), we get a palindrome (4112442114).

The spelling of 2100312102 in words is "two billion, one hundred million, three hundred twelve thousand, one hundred two".

Divisors: 1 2 3 6 7 14 21 42 50007431 100014862 150022293 300044586 350052017 700104034 1050156051 2100312102