Base | Representation |
---|---|
bin | 1101011001010000111… |
… | …0100011110010000000 |
3 | 210222222110120212111200 |
4 | 3112110032203302000 |
5 | 12232241222024412 |
6 | 253414332341200 |
7 | 22424406446244 |
oct | 3262416436200 |
9 | 728873525450 |
10 | 230120111232 |
11 | 89658892610 |
12 | 38722914800 |
13 | 189145499bb |
14 | b1d0474424 |
15 | 5ebc8c69dc |
hex | 35943a3c80 |
230120111232 has 192 divisors, whose sum is σ = 722746908000. Its totient is φ = 69699317760.
The previous prime is 230120111231. The next prime is 230120111237. The reversal of 230120111232 is 232111021032.
230120111232 is a `hidden beast` number, since 2 + 301 + 20 + 111 + 232 = 666.
It is a tau number, because it is divible by the number of its divisors (192).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (230120111231) 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, 40661619 + ... + 40667277.
Almost surely, 2230120111232 is an apocalyptic number.
230120111232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 230120111232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (361373454000).
230120111232 is an abundant number, since it is smaller than the sum of its proper divisors (492626796768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230120111232 is a wasteful number, since it uses less digits than its factorization.
230120111232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8899 (or 8884 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 230120111232 its reverse (232111021032), we get a palindrome (462231132264).
The spelling of 230120111232 in words is "two hundred thirty billion, one hundred twenty million, one hundred eleven thousand, two hundred thirty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •