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2131052797 is a prime number
BaseRepresentation
bin111111100000101…
…0100100011111101
312111111221200212101
41333001110203331
513331022142142
6551243505101
7103544435626
oct17701244375
95444850771
102131052797
119a3a18565
124b5828191
1327c6710b3
14163050a4d
15c714d0b7
hex7f0548fd

2131052797 has 2 divisors, whose sum is σ = 2131052798. Its totient is φ = 2131052796.

The previous prime is 2131052789. The next prime is 2131052813. The reversal of 2131052797 is 7972501312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1478710116 + 652342681 = 38454^2 + 25541^2 .

It is a cyclic number.

It is not a de Polignac number, because 2131052797 - 23 = 2131052789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2131022797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065526398 + 1065526399.

It is an arithmetic number, because the mean of its divisors is an integer number (1065526399).

Almost surely, 22131052797 is an apocalyptic number.

It is an amenable number.

2131052797 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131052797 is an equidigital number, since it uses as much as digits as its factorization.

2131052797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 2131052797 is about 46163.3274039036. The cubic root of 2131052797 is about 1286.8603005835.

The spelling of 2131052797 in words is "two billion, one hundred thirty-one million, fifty-two thousand, seven hundred ninety-seven".