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64676521201 = 293676076907
BaseRepresentation
bin111100001111000001…
…010110010011110001
320011221102021200211011
4330033001112103301
52024424142134301
645413442150521
74446513234205
oct741701262361
9204842250734
1064676521201
112547a234716
1210650052441
13613958a2b6
1431b79ccb05
151a380ada51
hexf0f0564f1

64676521201 has 8 divisors (see below), whose sum is σ = 67089064320. Its totient is φ = 62276132688.

The previous prime is 64676521193. The next prime is 64676521229. The reversal of 64676521201 is 10212567646.

It is a happy number.

64676521201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 64676521201 - 23 = 64676521193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64676521291) 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, 3027811 + ... + 3049096.

It is an arithmetic number, because the mean of its divisors is an integer number (8386133040).

Almost surely, 264676521201 is an apocalyptic number.

It is an amenable number.

64676521201 is a deficient number, since it is larger than the sum of its proper divisors (2412543119).

64676521201 is a wasteful number, since it uses less digits than its factorization.

64676521201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6077303.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 64676521201 in words is "sixty-four billion, six hundred seventy-six million, five hundred twenty-one thousand, two hundred one".

Divisors: 1 29 367 10643 6076907 176230303 2230224869 64676521201