Base | Representation |
---|---|
bin | 111011101101100110… |
… | …010111101111110100 |
3 | 20010111100012011102010 |
4 | 323231212113233310 |
5 | 2022302121113301 |
6 | 45242052044220 |
7 | 4426564213515 |
oct | 735546275764 |
9 | 203440164363 |
10 | 64115801076 |
11 | 25211775358 |
12 | 10514303670 |
13 | 607a365542 |
14 | 316334ca0c |
15 | 1a03c4e5d6 |
hex | eed997bf4 |
64115801076 has 96 divisors (see below), whose sum is σ = 152410503168. Its totient is φ = 20975834880.
The previous prime is 64115801027. The next prime is 64115801077. The reversal of 64115801076 is 67010851146.
It is a super-2 number, since 2×641158010762 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64115801077) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99713211 + ... + 99713853.
It is an arithmetic number, because the mean of its divisors is an integer number (1587609408).
Almost surely, 264115801076 is an apocalyptic number.
It is an amenable number.
64115801076 is an abundant number, since it is smaller than the sum of its proper divisors (88294702092).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64115801076 is a wasteful number, since it uses less digits than its factorization.
64115801076 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1381 (or 1379 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 39.
The spelling of 64115801076 in words is "sixty-four billion, one hundred fifteen million, eight hundred one thousand, seventy-six".
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