Base | Representation |
---|---|
bin | 1101011001011001001… |
… | …1010101110000000000 |
3 | 211000001220002021200000 |
4 | 3112112103111300000 |
5 | 12232324124401122 |
6 | 253422014400000 |
7 | 22425311350332 |
oct | 3262623256000 |
9 | 730056067600 |
10 | 230154918912 |
11 | 896764a7096 |
12 | 38732500000 |
13 | 1891b816069 |
14 | b1d4d35452 |
15 | 5ec09a00ac |
hex | 35964d5c00 |
230154918912 has 264 divisors, whose sum is σ = 694702934016. Its totient is φ = 76103774208.
The previous prime is 230154918901. The next prime is 230154918919. The reversal of 230154918912 is 219819451032.
230154918912 is a `hidden beast` number, since 2 + 3 + 0 + 1 + 549 + 18 + 91 + 2 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230154918919) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31598023 + ... + 31605305.
Almost surely, 2230154918912 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 230154918912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347351467008).
230154918912 is an abundant number, since it is smaller than the sum of its proper divisors (464548015104).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230154918912 is an equidigital number, since it uses as much as digits as its factorization.
230154918912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7445 (or 7415 counting only the distinct ones).
The product of its (nonzero) digits is 155520, while the sum is 45.
The spelling of 230154918912 in words is "two hundred thirty billion, one hundred fifty-four million, nine hundred eighteen thousand, nine hundred twelve".
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