Base | Representation |
---|---|
bin | 1111010010101… |
… | …1100101011111 |
3 | 11110200201211011 |
4 | 3310223211133 |
5 | 112410013123 |
6 | 10210440051 |
7 | 1406123635 |
oct | 364534537 |
9 | 143621734 |
10 | 64141663 |
11 | 3322a643 |
12 | 19593027 |
13 | 1039a161 |
14 | 8739355 |
15 | 596ee0d |
hex | 3d2b95f |
64141663 has 16 divisors (see below), whose sum is σ = 71820000. Its totient is φ = 56927232.
The previous prime is 64141633. The next prime is 64141703. The reversal of 64141663 is 36614146.
It is a cyclic number.
It is not a de Polignac number, because 64141663 - 221 = 62044511 is a prime.
It is a super-2 number, since 2×641416632 = 8228305864811138, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64141633) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112443 + ... + 113011.
It is an arithmetic number, because the mean of its divisors is an integer number (4488750).
Almost surely, 264141663 is an apocalyptic number.
64141663 is a deficient number, since it is larger than the sum of its proper divisors (7678337).
64141663 is a wasteful number, since it uses less digits than its factorization.
64141663 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 954.
The product of its digits is 10368, while the sum is 31.
The square root of 64141663 is about 8008.8490434019. The cubic root of 64141663 is about 400.2949137612.
The spelling of 64141663 in words is "sixty-four million, one hundred forty-one thousand, six hundred sixty-three".
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