Base | Representation |
---|---|
bin | 1111010010011… |
… | …0000110000000 |
3 | 11110122120222000 |
4 | 3310212012000 |
5 | 112403303133 |
6 | 10210144000 |
7 | 1406001231 |
oct | 364460600 |
9 | 143576860 |
10 | 64119168 |
11 | 33214753 |
12 | 19582000 |
13 | 1038cb49 |
14 | 8731088 |
15 | 5968413 |
hex | 3d26180 |
64119168 has 64 divisors (see below), whose sum is σ = 189250800. Its totient is φ = 21371904.
The previous prime is 64119103. The next prime is 64119169. The reversal of 64119168 is 86191146.
It is a happy number.
64119168 is a `hidden beast` number, since 641 + 1 + 9 + 1 + 6 + 8 = 666.
It is a tau number, because it is divible by the number of its divisors (64).
It is a super-2 number, since 2×641191682 = 8222535410024448, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64119169) 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, 5821 + ... + 12732.
Almost surely, 264119168 is an apocalyptic number.
It is an amenable number.
64119168 is an abundant number, since it is smaller than the sum of its proper divisors (125131632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64119168 is a wasteful number, since it uses less digits than its factorization.
64119168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18576 (or 18558 counting only the distinct ones).
The product of its digits is 10368, while the sum is 36.
The square root of 64119168 is about 8007.4445361801. Note that the first 3 decimals coincide. The cubic root of 64119168 is about 400.2481127350.
The spelling of 64119168 in words is "sixty-four million, one hundred nineteen thousand, one hundred sixty-eight".
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