Base | Representation |
---|---|
bin | 111100010001000010… |
… | …101011001010100000 |
3 | 20012000210002002121202 |
4 | 330101002223022200 |
5 | 2030011332020300 |
6 | 45421052540332 |
7 | 4450404343643 |
oct | 742102531240 |
9 | 205023062552 |
10 | 64710423200 |
11 | 2549738a7a5 |
12 | 1065b4816a8 |
13 | 61435ca357 |
14 | 31bc2d5a5a |
15 | 1a3b058ad5 |
hex | f110ab2a0 |
64710423200 has 36 divisors (see below), whose sum is σ = 157974322590. Its totient is φ = 25884168960.
The previous prime is 64710423161. The next prime is 64710423221. The reversal of 64710423200 is 232401746.
It can be written as a sum of positive squares in 3 ways, for example, as 46626628624 + 18083794576 = 215932^2 + 134476^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40443215 + ... + 40444814.
Almost surely, 264710423200 is an apocalyptic number.
It is an amenable number.
64710423200 is an abundant number, since it is smaller than the sum of its proper divisors (93263899390).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64710423200 is a wasteful number, since it uses less digits than its factorization.
64710423200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80888049 (or 80888036 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 29.
Adding to 64710423200 its reverse (232401746), we get a palindrome (64942824946).
The spelling of 64710423200 in words is "sixty-four billion, seven hundred ten million, four hundred twenty-three thousand, two hundred".
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