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2100120297 = 311619102811
BaseRepresentation
bin111110100101101…
…0100101011101001
312102100202011110020
41331023110223221
513300112322142
6544220511053
7103020504462
oct17513245351
95370664406
102100120297
11988510510
124a73ab489
13276130842
1415ccbbd69
15c458ccec
hex7d2d4ae9

2100120297 has 16 divisors (see below), whose sum is σ = 3059685120. Its totient is φ = 1270731600.

The previous prime is 2100120287. The next prime is 2100120329. The reversal of 2100120297 is 7920210012.

It is not a de Polignac number, because 2100120297 - 26 = 2100120233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2100120227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30979 + ... + 71832.

It is an arithmetic number, because the mean of its divisors is an integer number (191230320).

Almost surely, 22100120297 is an apocalyptic number.

It is an amenable number.

2100120297 is a deficient number, since it is larger than the sum of its proper divisors (959564823).

2100120297 is a wasteful number, since it uses less digits than its factorization.

2100120297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103444.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 2100120297 is about 45827.0694786389. The cubic root of 2100120297 is about 1280.6036168749.

The spelling of 2100120297 in words is "two billion, one hundred million, one hundred twenty thousand, two hundred ninety-seven".

Divisors: 1 3 11 33 619 1857 6809 20427 102811 308433 1130921 3392763 63640009 190920027 700040099 2100120297