Base | Representation |
---|---|
bin | 1101011001111100010… |
… | …1100110011011010000 |
3 | 211000110011102122011121 |
4 | 3112133011212123100 |
5 | 12233124342442034 |
6 | 253444401452024 |
7 | 22432051232242 |
oct | 3263705463320 |
9 | 730404378147 |
10 | 230302312144 |
11 | 89741718883 |
12 | 38773941014 |
13 | 189432115a8 |
14 | b20a742092 |
15 | 5ecd8b71b4 |
hex | 359f1666d0 |
230302312144 has 40 divisors (see below), whose sum is σ = 473977752768. Its totient is φ = 108029038080.
The previous prime is 230302312129. The next prime is 230302312147. The reversal of 230302312144 is 441213203032.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230302312147) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1276662 + ... + 1445845.
Almost surely, 2230302312144 is an apocalyptic number.
It is an amenable number.
230302312144 is an abundant number, since it is smaller than the sum of its proper divisors (243675440624).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230302312144 is a wasteful number, since it uses less digits than its factorization.
230302312144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2722843 (or 2722837 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 25.
Adding to 230302312144 its reverse (441213203032), we get a palindrome (671515515176).
The spelling of 230302312144 in words is "two hundred thirty billion, three hundred two million, three hundred twelve thousand, one hundred forty-four".
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