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2100444130 = 251333715749
BaseRepresentation
bin111110100110010…
…0011101111100010
312102101100121200001
41331030203233202
513300203203010
6544231450214
7103023323551
oct17514435742
95371317601
102100444130
11988711844
124a752696a
13276215065
1415cd63d98
15c4603c3a
hex7d323be2

2100444130 has 16 divisors (see below), whose sum is σ = 3781323000. Its totient is φ = 840061312.

The previous prime is 2100444119. The next prime is 2100444131. The reversal of 2100444130 is 314440012.

It can be written as a sum of positive squares in 4 ways, for example, as 818589321 + 1281854809 = 28611^2 + 35803^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2100444098 and 2100444107.

It is not an unprimeable number, because it can be changed into a prime (2100444131) 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, 125496 + ... + 141244.

Almost surely, 22100444130 is an apocalyptic number.

2100444130 is a deficient number, since it is larger than the sum of its proper divisors (1680878870).

2100444130 is a wasteful number, since it uses less digits than its factorization.

2100444130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29093.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2100444130 is about 45830.6025489519. The cubic root of 2100444130 is about 1280.6694353898.

Adding to 2100444130 its reverse (314440012), we get a palindrome (2414884142).

The spelling of 2100444130 in words is "two billion, one hundred million, four hundred forty-four thousand, one hundred thirty".

Divisors: 1 2 5 10 13337 15749 26674 31498 66685 78745 133370 157490 210044413 420088826 1050222065 2100444130