Base | Representation |
---|---|
bin | 111011110010111001… |
… | …111110111100110000 |
3 | 20010201112201020000210 |
4 | 323302321332330300 |
5 | 2022442414002324 |
6 | 45254552144120 |
7 | 4432025015550 |
oct | 736271767460 |
9 | 203645636023 |
10 | 64204828464 |
11 | 25257a51a07 |
12 | 1053a098040 |
13 | 609293687a |
14 | 31710c5160 |
15 | 1a0b987d29 |
hex | ef2e7ef30 |
64204828464 has 80 divisors (see below), whose sum is σ = 190764639488. Its totient is φ = 18227379456.
The previous prime is 64204828453. The next prime is 64204828511. The reversal of 64204828464 is 46482840246.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 555802 + ... + 661305.
Almost surely, 264204828464 is an apocalyptic number.
It is an amenable number.
64204828464 is an abundant number, since it is smaller than the sum of its proper divisors (126559811024).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64204828464 is a wasteful number, since it uses less digits than its factorization.
64204828464 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1217282 (or 1217276 counting only the distinct ones).
The product of its (nonzero) digits is 2359296, while the sum is 48.
The spelling of 64204828464 in words is "sixty-four billion, two hundred four million, eight hundred twenty-eight thousand, four hundred sixty-four".
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