Base | Representation |
---|---|
bin | 111011111001001111… |
… | …011110010001111000 |
3 | 20010222221201122121200 |
4 | 323321033132101320 |
5 | 2023202122000422 |
6 | 45313310334200 |
7 | 4434455354403 |
oct | 737117362170 |
9 | 203887648550 |
10 | 64311125112 |
11 | 25301a54183 |
12 | 105697ba360 |
13 | 60ab9733b0 |
14 | 3181274d3a |
15 | 1a15e832ac |
hex | ef93de478 |
64311125112 has 96 divisors (see below), whose sum is σ = 187622132880. Its totient is φ = 19782973440.
The previous prime is 64311125101. The next prime is 64311125143. The reversal of 64311125112 is 21152111346.
64311125112 is a `hidden beast` number, since 6 + 4 + 31 + 112 + 511 + 2 = 666.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5476287 + ... + 5488017.
Almost surely, 264311125112 is an apocalyptic number.
It is an amenable number.
64311125112 is an abundant number, since it is smaller than the sum of its proper divisors (123311007768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64311125112 is a wasteful number, since it uses less digits than its factorization.
64311125112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17613 (or 17606 counting only the distinct ones).
The product of its digits is 1440, while the sum is 27.
Adding to 64311125112 its reverse (21152111346), we get a palindrome (85463236458).
The spelling of 64311125112 in words is "sixty-four billion, three hundred eleven million, one hundred twenty-five thousand, one hundred twelve".
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