Base | Representation |
---|---|
bin | 11100000111001100101… |
… | …110010101001010100101 |
3 | 20211200111200122221202222 |
4 | 130013030232111022211 |
5 | 223122440000411120 |
6 | 4035254030042125 |
7 | 256400443446320 |
oct | 34071456251245 |
9 | 6750450587688 |
10 | 1931875013285 |
11 | 685338098a78 |
12 | 2724b1049345 |
13 | 110237712449 |
14 | 69708cb97b7 |
15 | 353bc2e1525 |
hex | 1c1ccb952a5 |
1931875013285 has 64 divisors (see below), whose sum is σ = 2818305045504. Its totient is φ = 1242636595200.
The previous prime is 1931875013281. The next prime is 1931875013303. The reversal of 1931875013285 is 5823105781391.
It is not a de Polignac number, because 1931875013285 - 22 = 1931875013281 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1931875013281) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16490015 + ... + 16606755.
It is an arithmetic number, because the mean of its divisors is an integer number (44036016336).
Almost surely, 21931875013285 is an apocalyptic number.
It is an amenable number.
1931875013285 is a deficient number, since it is larger than the sum of its proper divisors (886430032219).
1931875013285 is a wasteful number, since it uses less digits than its factorization.
1931875013285 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 117174.
The product of its (nonzero) digits is 1814400, while the sum is 53.
The spelling of 1931875013285 in words is "one trillion, nine hundred thirty-one billion, eight hundred seventy-five million, thirteen thousand, two hundred eighty-five".
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