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64896497477141 = 118277133835053
BaseRepresentation
bin11101100000101111001001…
…01011011110011000010101
322111210001012111020201000212
432300113210223132120111
532001231011323232031
6350005012300415205
716445421463654301
oct1660274453363025
9274701174221025
1064896497477141
11197504a4a83280
127341461847505
132a299375c2295
141205015c04d01
1577819083012b
hex3b05e4ade615

64896497477141 has 8 divisors (see below), whose sum is σ = 70881785096544. Its totient is φ = 58925477529520.

The previous prime is 64896497477083. The next prime is 64896497477153. The reversal of 64896497477141 is 14177479469846.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64896497477141 - 214 = 64896497460757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64896497477341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3566908430 + ... + 3566926623.

It is an arithmetic number, because the mean of its divisors is an integer number (8860223137068).

Almost surely, 264896497477141 is an apocalyptic number.

It is an amenable number.

64896497477141 is a deficient number, since it is larger than the sum of its proper divisors (5985287619403).

64896497477141 is a wasteful number, since it uses less digits than its factorization.

64896497477141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7133835891.

The product of its digits is 2048385024, while the sum is 77.

The spelling of 64896497477141 in words is "sixty-four trillion, eight hundred ninety-six billion, four hundred ninety-seven million, four hundred seventy-seven thousand, one hundred forty-one".

Divisors: 1 11 827 9097 7133835053 78472185583 5899681588831 64896497477141