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2100130019 = 13433756941
BaseRepresentation
bin111110100101101…
…0111000011100011
312102100202122210022
41331023113003203
513300113130034
6544221024055
7103020545021
oct17513270343
95370678708
102100130019
11988517849
124a73b502b
132761350b0
1415ccc1711
15c4590b2e
hex7d2d70e3

2100130019 has 8 divisors (see below), whose sum is σ = 2314276272. Its totient is φ = 1893497760.

The previous prime is 2100130013. The next prime is 2100130051. The reversal of 2100130019 is 9100310012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2100130019 is a prime.

It is a super-2 number, since 2×21001300192 = 8821092193409880722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2100129979 and 2100130006.

It is not an unprimeable number, because it can be changed into a prime (2100130013) 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, 1877912 + ... + 1879029.

It is an arithmetic number, because the mean of its divisors is an integer number (289284534).

Almost surely, 22100130019 is an apocalyptic number.

2100130019 is a deficient number, since it is larger than the sum of its proper divisors (214146253).

2100130019 is a wasteful number, since it uses less digits than its factorization.

2100130019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3756997.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 2100130019 is about 45827.1755511945. The cubic root of 2100130019 is about 1280.6055929536.

The spelling of 2100130019 in words is "two billion, one hundred million, one hundred thirty thousand, nineteen".

Divisors: 1 13 43 559 3756941 48840233 161548463 2100130019