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2122130993 is a prime number
BaseRepresentation
bin111111001111101…
…0010011000110001
312110220011102110012
41332133102120301
513321231142433
6550324344305
7103405546553
oct17637223061
95426142405
102122130993
11999984474
124b2845095
1327a869218
14161bab4d3
15c6489848
hex7e7d2631

2122130993 has 2 divisors, whose sum is σ = 2122130994. Its totient is φ = 2122130992.

The previous prime is 2122130909. The next prime is 2122131001. The reversal of 2122130993 is 3990312212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1117431184 + 1004699809 = 33428^2 + 31697^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122130993 - 28 = 2122130737 is a prime.

It is not a weakly prime, because it can be changed into another prime (2122130693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061065496 + 1061065497.

It is an arithmetic number, because the mean of its divisors is an integer number (1061065497).

Almost surely, 22122130993 is an apocalyptic number.

It is an amenable number.

2122130993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122130993 is an equidigital number, since it uses as much as digits as its factorization.

2122130993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 2122130993 is about 46066.5930257491. The cubic root of 2122130993 is about 1285.0619445579.

The spelling of 2122130993 in words is "two billion, one hundred twenty-two million, one hundred thirty thousand, nine hundred ninety-three".