Base | Representation |
---|---|
bin | 111011100111110011… |
… | …010011101011111100 |
3 | 20010020120011020020101 |
4 | 323213303103223330 |
5 | 2022102220412040 |
6 | 45224255130444 |
7 | 4424303342515 |
oct | 734763235374 |
9 | 203216136211 |
10 | 64018529020 |
11 | 25171877426 |
12 | 104a7813a24 |
13 | 6063168604 |
14 | 315446ba0c |
15 | 19ea43809a |
hex | ee7cd3afc |
64018529020 has 12 divisors (see below), whose sum is σ = 134438910984. Its totient is φ = 25607411600.
The previous prime is 64018528979. The next prime is 64018529087. The reversal of 64018529020 is 2092581046.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1600463206 + ... + 1600463245.
It is an arithmetic number, because the mean of its divisors is an integer number (11203242582).
Almost surely, 264018529020 is an apocalyptic number.
It is an amenable number.
64018529020 is an abundant number, since it is smaller than the sum of its proper divisors (70420381964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64018529020 is a wasteful number, since it uses less digits than its factorization.
64018529020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3200926460 (or 3200926458 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 37.
The spelling of 64018529020 in words is "sixty-four billion, eighteen million, five hundred twenty-nine thousand, twenty".
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