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64636630201 = 11131134000039
BaseRepresentation
bin111100001100101001…
…001011010010111001
320011211122020000122201
4330030221023102321
52024333434131301
645405455150201
74445520202003
oct741451132271
9204748200581
1064636630201
1125459768a50
121063a815361
136131231260
1431b25a7373
151a3482e201
hexf0ca4b4b9

64636630201 has 16 divisors (see below), whose sum is σ = 76608766080. Its totient is φ = 53760510720.

The previous prime is 64636630199. The next prime is 64636630207. The reversal of 64636630201 is 10203663646.

64636630201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 64636630201 - 21 = 64636630199 is a prime.

64636630201 is a modest number, since divided by 630201 gives 64636 as remainder.

It is not an unprimeable number, because it can be changed into a prime (64636630207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1983861 + ... + 2016178.

It is an arithmetic number, because the mean of its divisors is an integer number (4788047880).

Almost surely, 264636630201 is an apocalyptic number.

It is an amenable number.

64636630201 is a deficient number, since it is larger than the sum of its proper divisors (11972135879).

64636630201 is a wasteful number, since it uses less digits than its factorization.

64636630201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4000176.

The product of its (nonzero) digits is 93312, while the sum is 37.

The spelling of 64636630201 in words is "sixty-four billion, six hundred thirty-six million, six hundred thirty thousand, two hundred one".

Divisors: 1 11 13 113 143 1243 1469 16159 4000039 44000429 52000507 452004407 572005577 4972048477 5876057291 64636630201