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15271980431 is a prime number
BaseRepresentation
bin11100011100100011…
…11110110110001111
31110102022220222200212
432032101332312033
5222234111333211
611003231313035
71050311456201
oct161621766617
943368828625
1015271980431
1165276a8a34
122b6267b77b
131594cb6416
14a4c3c2771
155e5b3b38b
hex38e47ed8f

15271980431 has 2 divisors, whose sum is σ = 15271980432. Its totient is φ = 15271980430.

The previous prime is 15271980421. The next prime is 15271980439. The reversal of 15271980431 is 13408917251.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15271980431 - 226 = 15204871567 is a prime.

It is a super-2 number, since 2×152719804312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15271980439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7635990215 + 7635990216.

It is an arithmetic number, because the mean of its divisors is an integer number (7635990216).

Almost surely, 215271980431 is an apocalyptic number.

15271980431 is a deficient number, since it is larger than the sum of its proper divisors (1).

15271980431 is an equidigital number, since it uses as much as digits as its factorization.

15271980431 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 spelling of 15271980431 in words is "fifteen billion, two hundred seventy-one million, nine hundred eighty thousand, four hundred thirty-one".