Base | Representation |
---|---|
bin | 111111100001000… |
… | …1100001111101011 |
3 | 12111112101021201201 |
4 | 1333002030033223 |
5 | 13331101442000 |
6 | 551252425031 |
7 | 103546405603 |
oct | 17702141753 |
9 | 5445337651 |
10 | 2131280875 |
11 | 9a4063959 |
12 | 4b5918177 |
13 | 27c720b59 |
14 | 1630adc03 |
15 | c719596a |
hex | 7f08c3eb |
2131280875 has 8 divisors (see below), whose sum is σ = 2659838688. Its totient is φ = 1705024600.
The previous prime is 2131280843. The next prime is 2131280903. The reversal of 2131280875 is 5780821312.
It is not a de Polignac number, because 2131280875 - 25 = 2131280843 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8524999 + ... + 8525248.
It is an arithmetic number, because the mean of its divisors is an integer number (332479836).
Almost surely, 22131280875 is an apocalyptic number.
2131280875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
2131280875 is a deficient number, since it is larger than the sum of its proper divisors (528557813).
2131280875 is an equidigital number, since it uses as much as digits as its factorization.
2131280875 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17050262 (or 17050252 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 37.
The square root of 2131280875 is about 46165.7976753354. The cubic root of 2131280875 is about 1286.9062081046.
The spelling of 2131280875 in words is "two billion, one hundred thirty-one million, two hundred eighty thousand, eight hundred seventy-five".
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