Base | Representation |
---|---|
bin | 11110101110100000110… |
… | …00010110011011101001 |
3 | 10201221002221101221111120 |
4 | 33113100120112123221 |
5 | 114244200314004120 |
6 | 2125002201445453 |
7 | 136163535462510 |
oct | 17272030263351 |
9 | 3657087357446 |
10 | 1055763031785 |
11 | 377823787030 |
12 | 150744aa0889 |
13 | 78733ca5437 |
14 | 391562dd677 |
15 | 1c6e2036140 |
hex | f5d06166e9 |
1055763031785 has 128 divisors (see below), whose sum is σ = 2142270885888. Its totient is φ = 431222400000.
The previous prime is 1055763031751. The next prime is 1055763031789. The reversal of 1055763031785 is 5871303675501.
It is a happy number.
It is not a de Polignac number, because 1055763031785 - 210 = 1055763030761 is a prime.
It is a super-2 number, since 2×10557630317852 (a number of 25 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1055763031789) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 100534035 + ... + 100544535.
It is an arithmetic number, because the mean of its divisors is an integer number (16736491296).
Almost surely, 21055763031785 is an apocalyptic number.
1055763031785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1055763031785 is an abundant number, since it is smaller than the sum of its proper divisors (1086507854103).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1055763031785 is a wasteful number, since it uses less digits than its factorization.
1055763031785 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12015.
The product of its (nonzero) digits is 2646000, while the sum is 51.
The spelling of 1055763031785 in words is "one trillion, fifty-five billion, seven hundred sixty-three million, thirty-one thousand, seven hundred eighty-five".
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