Search a number
-
+
65864488903 is a prime number
BaseRepresentation
bin111101010101110101…
…000101011111000111
320022000012122201010221
4331111311011133013
52034342302121103
650131400325211
74521116626663
oct752565053707
9208005581127
1065864488903
1125a29872404
1210921a73807
13629872ab75
14328b6a98a3
151aa751e1bd
hexf55d457c7

65864488903 has 2 divisors, whose sum is σ = 65864488904. Its totient is φ = 65864488902.

The previous prime is 65864488843. The next prime is 65864488961. The reversal of 65864488903 is 30988446856.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65864488903 - 213 = 65864480711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65864488993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32932244451 + 32932244452.

It is an arithmetic number, because the mean of its divisors is an integer number (32932244452).

Almost surely, 265864488903 is an apocalyptic number.

65864488903 is a deficient number, since it is larger than the sum of its proper divisors (1).

65864488903 is an equidigital number, since it uses as much as digits as its factorization.

65864488903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39813120, while the sum is 61.

The spelling of 65864488903 in words is "sixty-five billion, eight hundred sixty-four million, four hundred eighty-eight thousand, nine hundred three".