Base | Representation |
---|---|
bin | 111100000010101000… |
… | …010010101101101111 |
3 | 20011101221002112121112 |
4 | 330002220102231233 |
5 | 2024012432020122 |
6 | 45341054222235 |
7 | 4441410165452 |
oct | 740250225557 |
9 | 204357075545 |
10 | 64468626287 |
11 | 2538294a13a |
12 | 105b24b497b |
13 | 610549a660 |
14 | 3198153499 |
15 | 1a24be52e2 |
hex | f02a12b6f |
64468626287 has 16 divisors (see below), whose sum is σ = 69855632448. Its totient is φ = 59143011840.
The previous prime is 64468626281. The next prime is 64468626289. The reversal of 64468626287 is 78262686446.
64468626287 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 64468626287 - 28 = 64468626031 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64468626281) 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, 9944087 + ... + 9950567.
It is an arithmetic number, because the mean of its divisors is an integer number (4365977028).
Almost surely, 264468626287 is an apocalyptic number.
64468626287 is a deficient number, since it is larger than the sum of its proper divisors (5387006161).
64468626287 is a wasteful number, since it uses less digits than its factorization.
64468626287 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11090.
The product of its digits is 37158912, while the sum is 59.
The spelling of 64468626287 in words is "sixty-four billion, four hundred sixty-eight million, six hundred twenty-six thousand, two hundred eighty-seven".
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