Base | Representation |
---|---|
bin | 1101011101101011010… |
… | …0110110001011110000 |
3 | 211010001000022202102201 |
4 | 3113122310312023300 |
5 | 12242202431200300 |
6 | 254132043152544 |
7 | 22465641155650 |
oct | 3273264661360 |
9 | 733030282381 |
10 | 231304553200 |
11 | 8a106432376 |
12 | 389b3515754 |
13 | 18a72a54836 |
14 | b2a38b4360 |
15 | 603b88c66a |
hex | 35dad362f0 |
231304553200 has 240 divisors, whose sum is σ = 656488775680. Its totient is φ = 76640256000.
The previous prime is 231304553197. The next prime is 231304553219. The reversal of 231304553200 is 2355403132.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 86017456 + ... + 86020144.
Almost surely, 2231304553200 is an apocalyptic number.
231304553200 is a gapful number since it is divisible by the number (20) 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 231304553200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328244387840).
231304553200 is an abundant number, since it is smaller than the sum of its proper divisors (425184222480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231304553200 is a wasteful number, since it uses less digits than its factorization.
231304553200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3736 (or 3725 counting only the distinct ones).
The product of its (nonzero) digits is 10800, while the sum is 28.
Adding to 231304553200 its reverse (2355403132), we get a palindrome (233659956332).
The spelling of 231304553200 in words is "two hundred thirty-one billion, three hundred four million, five hundred fifty-three thousand, two hundred".
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