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69612000457 is a prime number
BaseRepresentation
bin100000011010100110…
…0101101010011001001
320122200101021000120011
41000311030231103021
52120031133003312
651551310431521
75013023145436
oct1006514552311
9218611230504
1069612000457
112758218329a
12115a8b025a1
136744c4831c
143525296b8d
151c2651cda7
hex103532d4c9

69612000457 has 2 divisors, whose sum is σ = 69612000458. Its totient is φ = 69612000456.

The previous prime is 69612000421. The next prime is 69612000467. The reversal of 69612000457 is 75400021696.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61392946176 + 8219054281 = 247776^2 + 90659^2 .

It is a cyclic number.

It is not a de Polignac number, because 69612000457 - 211 = 69611998409 is a prime.

It is not a weakly prime, because it can be changed into another prime (69612000467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34806000228 + 34806000229.

It is an arithmetic number, because the mean of its divisors is an integer number (34806000229).

Almost surely, 269612000457 is an apocalyptic number.

It is an amenable number.

69612000457 is a deficient number, since it is larger than the sum of its proper divisors (1).

69612000457 is an equidigital number, since it uses as much as digits as its factorization.

69612000457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 69612000457 in words is "sixty-nine billion, six hundred twelve million, four hundred fifty-seven", and thus it is an aban number.