Base | Representation |
---|---|
bin | 11011011011010… |
… | …01011011111100 |
3 | 121000220202201120 |
4 | 31231221123330 |
5 | 432344220022 |
6 | 34455110540 |
7 | 5462364024 |
oct | 1555513374 |
9 | 530822646 |
10 | 230070012 |
11 | 108961007 |
12 | 65072450 |
13 | 38885103 |
14 | 227aca84 |
15 | 152e8d5c |
hex | db696fc |
230070012 has 96 divisors (see below), whose sum is σ = 598725120. Its totient is φ = 68428800.
The previous prime is 230070007. The next prime is 230070013. The reversal of 230070012 is 210070032.
It is a junction number, because it is equal to n+sod(n) for n = 230069973 and 230070000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230070013) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 382512 + ... + 383112.
It is an arithmetic number, because the mean of its divisors is an integer number (6236720).
Almost surely, 2230070012 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 230070012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299362560).
230070012 is an abundant number, since it is smaller than the sum of its proper divisors (368655108).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230070012 is a wasteful number, since it uses less digits than its factorization.
230070012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 723 (or 721 counting only the distinct ones).
The product of its (nonzero) digits is 84, while the sum is 15.
The square root of 230070012 is about 15168.0589397589. The cubic root of 230070012 is about 612.7547290885.
The spelling of 230070012 in words is "two hundred thirty million, seventy thousand, twelve".
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