Base | Representation |
---|---|
bin | 111000000010100… |
… | …1111000111001000 |
3 | 11212001100021102010 |
4 | 1300011033013020 |
5 | 12322341431213 |
6 | 510331535520 |
7 | 64412212260 |
oct | 16005170710 |
9 | 4761307363 |
10 | 1880420808 |
11 | 8854a2a92 |
12 | 4458ba5a0 |
13 | 23c769b46 |
14 | 13ba4c7a0 |
15 | b0141ac3 |
hex | 7014f1c8 |
1880420808 has 64 divisors (see below), whose sum is σ = 5517855360. Its totient is φ = 522740736.
The previous prime is 1880420783. The next prime is 1880420827. The reversal of 1880420808 is 8080240881.
It is a super-3 number, since 3×18804208083 (a number of 29 digits) contains 333 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145041 + ... + 157472.
It is an arithmetic number, because the mean of its divisors is an integer number (86216490).
Almost surely, 21880420808 is an apocalyptic number.
It is an amenable number.
1880420808 is an abundant number, since it is smaller than the sum of its proper divisors (3637434552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1880420808 is a wasteful number, since it uses less digits than its factorization.
1880420808 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 302566 (or 302562 counting only the distinct ones).
The product of its (nonzero) digits is 32768, while the sum is 39.
The square root of 1880420808 is about 43363.8191122507. The cubic root of 1880420808 is about 1234.2932370971.
The spelling of 1880420808 in words is "one billion, eight hundred eighty million, four hundred twenty thousand, eight hundred eight".
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