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2100031130030 = 25392953449507
BaseRepresentation
bin11110100011110011100…
…111000000100110101110
321102202112210001202120212
4132203303213000212232
5233401330432130110
64244424015142422
7304502505036461
oct36436347004656
97382483052525
102100031130030
1173a688909389
1229b000214a12
13123055653242
14738dbad52d8
153995ed15e05
hex1e8f39c09ae

2100031130030 has 16 divisors (see below), whose sum is σ = 3781018195920. Its totient is φ = 839798638272.

The previous prime is 2100031130011. The next prime is 2100031130039. The reversal of 2100031130030 is 300311300012.

It is a junction number, because it is equal to n+sod(n) for n = 2100031129987 and 2100031130014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100031130039) 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, 26685464 + ... + 26764043.

It is an arithmetic number, because the mean of its divisors is an integer number (236313637245).

Almost surely, 22100031130030 is an apocalyptic number.

2100031130030 is a deficient number, since it is larger than the sum of its proper divisors (1680987065890).

2100031130030 is a wasteful number, since it uses less digits than its factorization.

2100031130030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53453443.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 2100031130030 its reverse (300311300012), we get a palindrome (2400342430042).

The spelling of 2100031130030 in words is "two trillion, one hundred billion, thirty-one million, one hundred thirty thousand, thirty".

Divisors: 1 2 5 10 3929 7858 19645 39290 53449507 106899014 267247535 534495070 210003113003 420006226006 1050015565015 2100031130030