Base | Representation |
---|---|
bin | 100111111111010101… |
… | …1101100101000110001 |
3 | 22012122221012010112202 |
4 | 1033332223230220301 |
5 | 2401334033342023 |
6 | 103241303232545 |
7 | 6130055360042 |
oct | 1177653545061 |
9 | 265587163482 |
10 | 85877246513 |
11 | 33469515403 |
12 | 14788148755 |
13 | 8137951586 |
14 | 42295528c9 |
15 | 237945a128 |
hex | 13feaeca31 |
85877246513 has 4 divisors (see below), whose sum is σ = 85883103600. Its totient is φ = 85871389428.
The previous prime is 85877246443. The next prime is 85877246569. The reversal of 85877246513 is 31564277858.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 85877246513 - 212 = 85877242417 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (85877240513) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2906495 + ... + 2935892.
It is an arithmetic number, because the mean of its divisors is an integer number (21470775900).
Almost surely, 285877246513 is an apocalyptic number.
It is an amenable number.
85877246513 is a deficient number, since it is larger than the sum of its proper divisors (5857087).
85877246513 is a wasteful number, since it uses less digits than its factorization.
85877246513 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5857086.
The product of its digits is 11289600, while the sum is 56.
The spelling of 85877246513 in words is "eighty-five billion, eight hundred seventy-seven million, two hundred forty-six thousand, five hundred thirteen".
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