Base | Representation |
---|---|
bin | 1110111100001011… |
… | …01110010101011000 |
3 | 202200222221111212021 |
4 | 13132011232111120 |
5 | 112411334303002 |
6 | 3403530024224 |
7 | 402524313040 |
oct | 73605562530 |
9 | 22628844767 |
10 | 8021009752 |
11 | 3446718388 |
12 | 167a278074 |
13 | 9aa9bb022 |
14 | 5613b6720 |
15 | 31e29a737 |
hex | 1de16e558 |
8021009752 has 32 divisors (see below), whose sum is σ = 18092505600. Its totient is φ = 3256650144.
The previous prime is 8021009749. The next prime is 8021009753. The reversal of 8021009752 is 2579001208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8021009753) 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, 3768208 + ... + 3770335.
It is an arithmetic number, because the mean of its divisors is an integer number (565390800).
Almost surely, 28021009752 is an apocalyptic number.
It is an amenable number.
8021009752 is an abundant number, since it is smaller than the sum of its proper divisors (10071495848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8021009752 is a wasteful number, since it uses less digits than its factorization.
8021009752 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7538575 (or 7538571 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 34.
The square root of 8021009752 is about 89560.0901741395. The cubic root of 8021009752 is about 2001.7492822264.
The spelling of 8021009752 in words is "eight billion, twenty-one million, nine thousand, seven hundred fifty-two".
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