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2656675157 is a prime number
BaseRepresentation
bin1001111001011001…
…1010010101010101
320212011000002012012
42132112122111111
520420102101112
61115341434005
7122556236423
oct23626322525
96764002165
102656675157
111143695404
1262186b905
13334527746
141b2b96113
15108378022
hex9e59a555

2656675157 has 2 divisors, whose sum is σ = 2656675158. Its totient is φ = 2656675156.

The previous prime is 2656675117. The next prime is 2656675193. The reversal of 2656675157 is 7515766562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1832353636 + 824321521 = 42806^2 + 28711^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2656675157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2656675117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1328337578 + 1328337579.

It is an arithmetic number, because the mean of its divisors is an integer number (1328337579).

Almost surely, 22656675157 is an apocalyptic number.

It is an amenable number.

2656675157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2656675157 is an equidigital number, since it uses as much as digits as its factorization.

2656675157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2646000, while the sum is 50.

The square root of 2656675157 is about 51542.9447839372. The cubic root of 2656675157 is about 1384.9884496424.

The spelling of 2656675157 in words is "two billion, six hundred fifty-six million, six hundred seventy-five thousand, one hundred fifty-seven".