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13172474367587 is a prime number
BaseRepresentation
bin1011111110101111010010…
…1001111100111001100011
31201122021110101110012121202
42333223310221330321203
53211304211414230322
644003203504511415
72526452123500253
oct277536451747143
951567411405552
1013172474367587
114219462413957
121588ab701b56b
1374720b438922
143377a0559963
1517c9a6348292
hexbfaf4a7ce63

13172474367587 has 2 divisors, whose sum is σ = 13172474367588. Its totient is φ = 13172474367586.

The previous prime is 13172474367529. The next prime is 13172474367629. The reversal of 13172474367587 is 78576347427131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13172474367587 - 218 = 13172474105443 is a prime.

It is not a weakly prime, because it can be changed into another prime (13172474367887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6586237183793 + 6586237183794.

It is an arithmetic number, because the mean of its divisors is an integer number (6586237183794).

Almost surely, 213172474367587 is an apocalyptic number.

13172474367587 is a deficient number, since it is larger than the sum of its proper divisors (1).

13172474367587 is an equidigital number, since it uses as much as digits as its factorization.

13172474367587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165957120, while the sum is 65.

The spelling of 13172474367587 in words is "thirteen trillion, one hundred seventy-two billion, four hundred seventy-four million, three hundred sixty-seven thousand, five hundred eighty-seven".