Base | Representation |
---|---|
bin | 1101011001101011001… |
… | …1011001100011110100 |
3 | 211000021011011202010121 |
4 | 3112122303121203310 |
5 | 12233002442310423 |
6 | 253433313101324 |
7 | 22430216245144 |
oct | 3263263314364 |
9 | 730234152117 |
10 | 230230431988 |
11 | 89705093197 |
12 | 38753857844 |
13 | 1893136505b |
14 | b200d90924 |
15 | 5ec741945d |
hex | 359acd98f4 |
230230431988 has 6 divisors (see below), whose sum is σ = 402903255986. Its totient is φ = 115115215992.
The previous prime is 230230431931. The next prime is 230230431989. The reversal of 230230431988 is 889134032032.
It can be written as a sum of positive squares in only one way, i.e., 171452308624 + 58778123364 = 414068^2 + 242442^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230230431989) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28778803995 + ... + 28778804002.
Almost surely, 2230230431988 is an apocalyptic number.
It is an amenable number.
230230431988 is a deficient number, since it is larger than the sum of its proper divisors (172672823998).
230230431988 is a wasteful number, since it uses less digits than its factorization.
230230431988 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57557608001 (or 57557607999 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 43.
The spelling of 230230431988 in words is "two hundred thirty billion, two hundred thirty million, four hundred thirty-one thousand, nine hundred eighty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •