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2100445068 = 223175037089
BaseRepresentation
bin111110100110010…
…0011111110001100
312102101100122221210
41331030203332030
513300203220233
6544231454420
7103023326361
oct17514437614
95371318853
102100445068
11988712517
124a7527410
13276215607
1415cd64468
15c4604163
hex7d323f8c

2100445068 has 12 divisors (see below), whose sum is σ = 4901038520. Its totient is φ = 700148352.

The previous prime is 2100445063. The next prime is 2100445069. The reversal of 2100445068 is 8605440012.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (2100445063) 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, 87518533 + ... + 87518556.

Almost surely, 22100445068 is an apocalyptic number.

It is an amenable number.

2100445068 is an abundant number, since it is smaller than the sum of its proper divisors (2800593452).

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

2100445068 is a wasteful number, since it uses less digits than its factorization.

2100445068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175037096 (or 175037094 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 2100445068 is about 45830.6127822878. The cubic root of 2100445068 is about 1280.6696260269.

The spelling of 2100445068 in words is "two billion, one hundred million, four hundred forty-five thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 175037089 350074178 525111267 700148356 1050222534 2100445068