Base | Representation |
---|---|
bin | 11101011110111000110110… |
… | …10010101111001100111111 |
3 | 22111112222021111021110210011 |
4 | 32233130123102233030333 |
5 | 31444210430220324022 |
6 | 345515510350324051 |
7 | 16441012624530424 |
oct | 1657343322571477 |
9 | 274488244243704 |
10 | 64832989229887 |
11 | 1972657525611a |
12 | 7331098ab9627 |
13 | 2a2395609b958 |
14 | 1201d0d447d4b |
15 | 7766c50e1977 |
hex | 3af71b4af33f |
64832989229887 has 8 divisors (see below), whose sum is σ = 64868191964640. Its totient is φ = 64797787242240.
The previous prime is 64832989229857. The next prime is 64832989229929. The reversal of 64832989229887 is 78892298923846.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 64832989229887 - 27 = 64832989229759 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 (64832989229837) 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, 338562087 + ... + 338753527.
It is an arithmetic number, because the mean of its divisors is an integer number (8108523995580).
Almost surely, 264832989229887 is an apocalyptic number.
64832989229887 is a deficient number, since it is larger than the sum of its proper divisors (35202734753).
64832989229887 is a wasteful number, since it uses less digits than its factorization.
64832989229887 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 373553.
The product of its digits is 12039487488, while the sum is 85.
The spelling of 64832989229887 in words is "sixty-four trillion, eight hundred thirty-two billion, nine hundred eighty-nine million, two hundred twenty-nine thousand, eight hundred eighty-seven".
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