Base | Representation |
---|---|
bin | 1111011111100… |
… | …0010011101001 |
3 | 11112021100002010 |
4 | 3313320103221 |
5 | 113113331301 |
6 | 10240430133 |
7 | 1416215436 |
oct | 367702351 |
9 | 145240063 |
10 | 64980201 |
11 | 33752650 |
12 | 19918349 |
13 | 10601a30 |
14 | 88b6b8d |
15 | 5a885d6 |
hex | 3df84e9 |
64980201 has 32 divisors (see below), whose sum is σ = 102509568. Its totient is φ = 36095040.
The previous prime is 64980197. The next prime is 64980211. The reversal of 64980201 is 10208946.
It is not a de Polignac number, because 64980201 - 22 = 64980197 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (64980211) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71190 + ... + 72096.
It is an arithmetic number, because the mean of its divisors is an integer number (3203424).
Almost surely, 264980201 is an apocalyptic number.
It is an amenable number.
64980201 is a deficient number, since it is larger than the sum of its proper divisors (37529367).
64980201 is a wasteful number, since it uses less digits than its factorization.
64980201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1101.
The product of its (nonzero) digits is 3456, while the sum is 30.
The square root of 64980201 is about 8061.0297729260. The cubic root of 64980201 is about 402.0317479444.
The spelling of 64980201 in words is "sixty-four million, nine hundred eighty thousand, two hundred one".
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