Base | Representation |
---|---|
bin | 110100100011100010000111… |
… | …111001100011001110101000 |
3 | 1010022101210100202002000010111 |
4 | 310203202013321203032220 |
5 | 220244000202420342300 |
6 | 2135332205501224104 |
7 | 66454221423135301 |
oct | 6443420771431650 |
9 | 1108353322060114 |
10 | 231140240012200 |
11 | 67715030745122 |
12 | 21b1063a862034 |
13 | 9bc857b1b21ac |
14 | 41113668817a8 |
15 | 1bac74c4109ba |
hex | d23887e633a8 |
231140240012200 has 192 divisors, whose sum is σ = 578906903836800. Its totient is φ = 85512423628800.
The previous prime is 231140240012189. The next prime is 231140240012219. The reversal of 231140240012200 is 2210042041132.
It is a super-2 number, since 2×2311402400122002 (a number of 30 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 72550356 + ... + 75669244.
It is an arithmetic number, because the mean of its divisors is an integer number (3015140124150).
Almost surely, 2231140240012200 is an apocalyptic number.
231140240012200 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 231140240012200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289453451918400).
231140240012200 is an abundant number, since it is smaller than the sum of its proper divisors (347766663824600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231140240012200 is a wasteful number, since it uses less digits than its factorization.
231140240012200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3119300 (or 3119291 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 22.
Adding to 231140240012200 its reverse (2210042041132), we get a palindrome (233350282053332).
The spelling of 231140240012200 in words is "two hundred thirty-one trillion, one hundred forty billion, two hundred forty million, twelve thousand, two hundred".
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