Base | Representation |
---|---|
bin | 1101011010000110010… |
… | …1101100000101110100 |
3 | 211000120002101202000221 |
4 | 3112201211230011310 |
5 | 12233221113402023 |
6 | 253452501144124 |
7 | 22433101026640 |
oct | 3264145540564 |
9 | 730502352027 |
10 | 230344278388 |
11 | 89763381724 |
12 | 387859bb044 |
13 | 1894bb160a3 |
14 | b212147c20 |
15 | 5ed240685d |
hex | 35a196c174 |
230344278388 has 12 divisors (see below), whose sum is σ = 460688556832. Its totient is φ = 98718976440.
The previous prime is 230344278343. The next prime is 230344278389. The reversal of 230344278388 is 883872443032.
230344278388 is an admirable number.
It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230344278389) 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, 4113290658 + ... + 4113290713.
Almost surely, 2230344278388 is an apocalyptic number.
230344278388 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
230344278388 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230344278388 is a wasteful number, since it uses less digits than its factorization.
230344278388 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8226581382 (or 8226581380 counting only the distinct ones).
The product of its (nonzero) digits is 6193152, while the sum is 52.
The spelling of 230344278388 in words is "two hundred thirty billion, three hundred forty-four million, two hundred seventy-eight thousand, three hundred eighty-eight".
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