Base | Representation |
---|---|
bin | 1100010111101001101101100… |
… | …0000101010110011111111001 |
3 | 11020010221022201022211220100021 |
4 | 3011322123120011112133321 |
5 | 1403042112212040022411 |
6 | 12323130053114210441 |
7 | 351225340646160151 |
oct | 30572333005263771 |
9 | 4203838638756307 |
10 | 870430287423481 |
11 | 2323894591a8304 |
12 | 8175b27a123a21 |
13 | 2b48c2babbc195 |
14 | 114d309d183761 |
15 | 6a96d515eca71 |
hex | 317a6d81567f9 |
870430287423481 has 4 divisors (see below), whose sum is σ = 871355293043364. Its totient is φ = 869505281803600.
The previous prime is 870430287423457. The next prime is 870430287423493. The reversal of 870430287423481 is 184324782034078.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 641508394496256 + 228921892927225 = 25328016^2 + 15130165^2 .
It is a cyclic number.
It is not a de Polignac number, because 870430287423481 - 225 = 870430253869049 is a prime.
It is a super-2 number, since 2×8704302874234812 (a number of 31 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (870430287423881) 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, 462502808530 + ... + 462502810411.
It is an arithmetic number, because the mean of its divisors is an integer number (217838823260841).
Almost surely, 2870430287423481 is an apocalyptic number.
It is an amenable number.
870430287423481 is a deficient number, since it is larger than the sum of its proper divisors (925005619883).
870430287423481 is an equidigital number, since it uses as much as digits as its factorization.
870430287423481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 925005619882.
The product of its (nonzero) digits is 57802752, while the sum is 61.
The spelling of 870430287423481 in words is "eight hundred seventy trillion, four hundred thirty billion, two hundred eighty-seven million, four hundred twenty-three thousand, four hundred eighty-one".
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