Base | Representation |
---|---|
bin | 1101011001111110101… |
… | …1010111101000010100 |
3 | 211000110212001122121102 |
4 | 3112133223113220110 |
5 | 12233134411304022 |
6 | 253445354005232 |
7 | 22432231336610 |
oct | 3263753275024 |
9 | 730425048542 |
10 | 230312213012 |
11 | 89747270512 |
12 | 38777116818 |
13 | 18945299cab |
14 | b20bb9c340 |
15 | 5ece6c0a92 |
hex | 359fad7a14 |
230312213012 has 24 divisors (see below), whose sum is σ = 487719981504. Its totient is φ = 92899043712.
The previous prime is 230312213003. The next prime is 230312213081. The reversal of 230312213012 is 210312213032.
It is a super-2 number, since 2×2303122130122 (a number of 24 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241924118 + ... + 241925069.
It is an arithmetic number, because the mean of its divisors is an integer number (20321665896).
Almost surely, 2230312213012 is an apocalyptic number.
It is an amenable number.
230312213012 is an abundant number, since it is smaller than the sum of its proper divisors (257407768492).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230312213012 is a wasteful number, since it uses less digits than its factorization.
230312213012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 483849215 (or 483849213 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 230312213012 its sum of digits (20), we get a palindrome (230312213032).
Adding to 230312213012 its reverse (210312213032), we get a palindrome (440624426044).
The spelling of 230312213012 in words is "two hundred thirty billion, three hundred twelve million, two hundred thirteen thousand, twelve".
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