Base | Representation |
---|---|
bin | 100111101110100000… |
… | …1011110011111001100 |
3 | 22011012120120120122102 |
4 | 1033131001132133030 |
5 | 2344210001433010 |
6 | 103105251334232 |
7 | 6110060354240 |
oct | 1173501363714 |
9 | 264176516572 |
10 | 85312530380 |
11 | 331a9776860 |
12 | 1464abb1378 |
13 | 807795aa0c |
14 | 41b4552420 |
15 | 2344aabba5 |
hex | 13dd05e7cc |
85312530380 has 96 divisors (see below), whose sum is σ = 236502830592. Its totient is φ = 25026739200.
The previous prime is 85312530377. The next prime is 85312530409. The reversal of 85312530380 is 8303521358.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1603166 + ... + 1655525.
It is an arithmetic number, because the mean of its divisors is an integer number (2463571152).
Almost surely, 285312530380 is an apocalyptic number.
It is an amenable number.
85312530380 is an abundant number, since it is smaller than the sum of its proper divisors (151190300212).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85312530380 is a wasteful number, since it uses less digits than its factorization.
85312530380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3258735 (or 3258733 counting only the distinct ones).
The product of its (nonzero) digits is 86400, while the sum is 38.
The spelling of 85312530380 in words is "eighty-five billion, three hundred twelve million, five hundred thirty thousand, three hundred eighty".
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