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2120012192 = 2566250381
BaseRepresentation
bin111111001011100…
…1101000110100000
312110202011210000002
41332113031012200
513320210342232
6550211115132
7103351543364
oct17627150640
95422153002
102120012192
119987675a1
124b1ba2aa8
1327a2a69ac
141617b92a4
15c61bbb62
hex7e5cd1a0

2120012192 has 12 divisors (see below), whose sum is σ = 4173774066. Its totient is φ = 1060006080.

The previous prime is 2120012179. The next prime is 2120012203. The reversal of 2120012192 is 2912100212.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2119313296 + 698896 = 46036^2 + 836^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33125159 + ... + 33125222.

Almost surely, 22120012192 is an apocalyptic number.

It is an amenable number.

2120012192 is a deficient number, since it is larger than the sum of its proper divisors (2053761874).

2120012192 is an equidigital number, since it uses as much as digits as its factorization.

2120012192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66250391 (or 66250383 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 2120012192 is about 46043.5901293546. The cubic root of 2120012192 is about 1284.6341203224.

The spelling of 2120012192 in words is "two billion, one hundred twenty million, twelve thousand, one hundred ninety-two".

Divisors: 1 2 4 8 16 32 66250381 132500762 265001524 530003048 1060006096 2120012192