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64145426301165 = 3511388760159401
BaseRepresentation
bin11101001010111000001010…
…10110010100000011101101
322102010020120001022202110210
432211130011112110003231
531401424313113114130
6344232000234453033
716340232314212056
oct1645340526240355
9272106501282423
1064145426301165
1119490a16974230
12723b991594179
1329a3b704b75b1
1411ba925c1572d
15763882d425b0
hex3a57055940ed

64145426301165 has 16 divisors (see below), whose sum is σ = 111962925907776. Its totient is φ = 31100812752000.

The previous prime is 64145426301133. The next prime is 64145426301217. The reversal of 64145426301165 is 56110362454146.

It is not a de Polignac number, because 64145426301165 - 25 = 64145426301133 is a prime.

It is a super-2 number, since 2×641454263011652 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194380079536 + ... + 194380079865.

It is an arithmetic number, because the mean of its divisors is an integer number (6997682869236).

Almost surely, 264145426301165 is an apocalyptic number.

It is an amenable number.

64145426301165 is a deficient number, since it is larger than the sum of its proper divisors (47817499606611).

64145426301165 is a wasteful number, since it uses less digits than its factorization.

64145426301165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388760159420.

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 64145426301165 in words is "sixty-four trillion, one hundred forty-five billion, four hundred twenty-six million, three hundred one thousand, one hundred sixty-five".

Divisors: 1 3 5 11 15 33 55 165 388760159401 1166280478203 1943800797005 4276361753411 5831402391015 12829085260233 21381808767055 64145426301165