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64152663645041 = 75178534343973
BaseRepresentation
bin11101001011000101101001…
…01110100101101101110001
322102010221020102122220211222
432211202310232211231301
531402034123343120131
6344235154332114425
716340606544502016
oct1645426456455561
9272127212586758
1064152663645041
1119493aa0197864
127241271305a15
1329a4754a213aa
1411bb0110b570d
15763b583e087b
hex3a58b4ba5b71

64152663645041 has 4 divisors (see below), whose sum is σ = 64161197996532. Its totient is φ = 64144129293552.

The previous prime is 64152663645029. The next prime is 64152663645043. The reversal of 64152663645041 is 14054636625146.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59041089792400 + 5111573852641 = 7683820^2 + 2260879^2 .

It is a cyclic number.

It is not a de Polignac number, because 64152663645041 - 226 = 64152596536177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64152663645043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4267164470 + ... + 4267179503.

It is an arithmetic number, because the mean of its divisors is an integer number (16040299499133).

Almost surely, 264152663645041 is an apocalyptic number.

It is an amenable number.

64152663645041 is a deficient number, since it is larger than the sum of its proper divisors (8534351491).

64152663645041 is an equidigital number, since it uses as much as digits as its factorization.

64152663645041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8534351490.

The product of its (nonzero) digits is 12441600, while the sum is 53.

The spelling of 64152663645041 in words is "sixty-four trillion, one hundred fifty-two billion, six hundred sixty-three million, six hundred forty-five thousand, forty-one".

Divisors: 1 7517 8534343973 64152663645041