Base | Representation |
---|---|
bin | 10010110111010111… |
… | …00011011010101100 |
3 | 222010211202200210211 |
4 | 21123223203122230 |
5 | 131220242003013 |
6 | 4352555512204 |
7 | 505661150452 |
oct | 113353433254 |
9 | 28124680724 |
10 | 10128078508 |
11 | 4328044319 |
12 | 1b67a58664 |
13 | c553b2482 |
14 | 6c11829d2 |
15 | 3e425c23d |
hex | 25bae36ac |
10128078508 has 12 divisors (see below), whose sum is σ = 18766733832. Its totient is φ = 4766154560.
The previous prime is 10128078463. The next prime is 10128078509. The reversal of 10128078508 is 80587082101.
It is not an unprimeable number, because it can be changed into a prime (10128078509) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74471098 + ... + 74471233.
It is an arithmetic number, because the mean of its divisors is an integer number (1563894486).
Almost surely, 210128078508 is an apocalyptic number.
It is an amenable number.
10128078508 is a deficient number, since it is larger than the sum of its proper divisors (8638655324).
10128078508 is a wasteful number, since it uses less digits than its factorization.
10128078508 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 148942352 (or 148942350 counting only the distinct ones).
The product of its (nonzero) digits is 35840, while the sum is 40.
The spelling of 10128078508 in words is "ten billion, one hundred twenty-eight million, seventy-eight thousand, five hundred eight".
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