Base | Representation |
---|---|
bin | 11111100110010111011… |
… | …10111010011111110110 |
3 | 10211210111202212012201112 |
4 | 33303023232322133312 |
5 | 120242103424103140 |
6 | 2150441522555022 |
7 | 141304615203200 |
oct | 17631356723766 |
9 | 3753452765645 |
10 | 1085749831670 |
11 | 389511524679 |
12 | 156513508a72 |
13 | 7b5026c81ca |
14 | 3a79caad770 |
15 | 1d399903c65 |
hex | fccbbba7f6 |
1085749831670 has 96 divisors (see below), whose sum is σ = 2314600596000. Its totient is φ = 365575762944.
The previous prime is 1085749831657. The next prime is 1085749831681. The reversal of 1085749831670 is 761389475801.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5945381 + ... + 6125279.
It is an arithmetic number, because the mean of its divisors is an integer number (24110422875).
Almost surely, 21085749831670 is an apocalyptic number.
1085749831670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1085749831670 is an abundant number, since it is smaller than the sum of its proper divisors (1228850764330).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1085749831670 is a wasteful number, since it uses less digits than its factorization.
1085749831670 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 180142 (or 180135 counting only the distinct ones).
The product of its (nonzero) digits is 10160640, while the sum is 59.
The spelling of 1085749831670 in words is "one trillion, eighty-five billion, seven hundred forty-nine million, eight hundred thirty-one thousand, six hundred seventy".
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