Base | Representation |
---|---|
bin | 1101011111011010101… |
… | …0010011110000100000 |
3 | 211011020120001210110012 |
4 | 3113312222103300200 |
5 | 12244132004142200 |
6 | 254250244424052 |
7 | 22513341456554 |
oct | 3276652236040 |
9 | 734216053405 |
10 | 231771552800 |
11 | 8a325aaa057 |
12 | 38b039a8028 |
13 | 18b18724068 |
14 | b309919864 |
15 | 6067887a35 |
hex | 35f6a93c20 |
231771552800 has 54 divisors (see below), whose sum is σ = 565845547239. Its totient is φ = 92703174400.
The previous prime is 231771552797. The next prime is 231771552827. The reversal of 231771552800 is 8255177132.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
231771552800 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 5 ways, for example, as 210104890384 + 21666662416 = 458372^2 + 147196^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=340420.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 13608290 + ... + 13625310.
Almost surely, 2231771552800 is an apocalyptic number.
231771552800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
231771552800 is an abundant number, since it is smaller than the sum of its proper divisors (334073994439).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231771552800 is an frugal number, since it uses more digits than its factorization.
231771552800 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34062 (or 17028 counting only the distinct ones).
The product of its (nonzero) digits is 117600, while the sum is 41.
The spelling of 231771552800 in words is "two hundred thirty-one billion, seven hundred seventy-one million, five hundred fifty-two thousand, eight hundred".
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