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5122970681 is a prime number
BaseRepresentation
bin1001100010101101…
…00101010000111001
3111020000202212121212
410301112211100321
540442440030211
62204203012505
7240644350403
oct46126452071
914200685555
105122970681
112199868774
12bab80a135
136384859ca
14368551b73
151eeb4738b
hex1315a5439

5122970681 has 2 divisors, whose sum is σ = 5122970682. Its totient is φ = 5122970680.

The previous prime is 5122970647. The next prime is 5122970687. The reversal of 5122970681 is 1860792215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3832724281 + 1290246400 = 61909^2 + 35920^2 .

It is a cyclic number.

It is not a de Polignac number, because 5122970681 - 26 = 5122970617 is a prime.

It is a super-2 number, since 2×51229706812 = 52489657196771207522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5122970687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2561485340 + 2561485341.

It is an arithmetic number, because the mean of its divisors is an integer number (2561485341).

Almost surely, 25122970681 is an apocalyptic number.

It is an amenable number.

5122970681 is a deficient number, since it is larger than the sum of its proper divisors (1).

5122970681 is an equidigital number, since it uses as much as digits as its factorization.

5122970681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 5122970681 is about 71574.9305343708. The cubic root of 5122970681 is about 1723.8810281082.

The spelling of 5122970681 in words is "five billion, one hundred twenty-two million, nine hundred seventy thousand, six hundred eighty-one".