Base | Representation |
---|---|
bin | 111101111011100… |
… | …0011001011101000 |
3 | 12100211011210020021 |
4 | 1323313003023220 |
5 | 13223433403040 |
6 | 542111210224 |
7 | 102331644121 |
oct | 17367031350 |
9 | 5324153207 |
10 | 2078028520 |
11 | 976aa1647 |
12 | 49bb16974 |
13 | 271697299 |
14 | 159dab048 |
15 | c267724a |
hex | 7bdc32e8 |
2078028520 has 32 divisors (see below), whose sum is σ = 4695148800. Its totient is φ = 827729728.
The previous prime is 2078028509. The next prime is 2078028523. The reversal of 2078028520 is 258208702.
It is not an unprimeable number, because it can be changed into a prime (2078028523) 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, 99124 + ... + 118243.
It is an arithmetic number, because the mean of its divisors is an integer number (146723400).
Almost surely, 22078028520 is an apocalyptic number.
2078028520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2078028520 is an abundant number, since it is smaller than the sum of its proper divisors (2617120280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2078028520 is a wasteful number, since it uses less digits than its factorization.
2078028520 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 217617 (or 217613 counting only the distinct ones).
The product of its (nonzero) digits is 17920, while the sum is 34.
The square root of 2078028520 is about 45585.3981007076. The cubic root of 2078028520 is about 1276.0974316577.
The spelling of 2078028520 in words is "two billion, seventy-eight million, twenty-eight thousand, five hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •