Base | Representation |
---|---|
bin | 100000011101111110100… |
… | …111100000011010100110 |
3 | 21220022011000121021120120 |
4 | 200131332213200122212 |
5 | 243024010322442410 |
6 | 4425001011142410 |
7 | 320125343505636 |
oct | 40357647403246 |
9 | 7808130537516 |
10 | 2231212312230 |
11 | 790285201150 |
12 | 3005105a4a06 |
13 | 132530160c45 |
14 | 79dc3dd26c6 |
15 | 3d08b6e9570 |
hex | 2077e9e06a6 |
2231212312230 has 64 divisors (see below), whose sum is σ = 5878928049408. Its totient is φ = 537454719360.
The previous prime is 2231212312193. The next prime is 2231212312237. The reversal of 2231212312230 is 322132121322.
2231212312230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×22312123122303 (a number of 38 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 2231212312230.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2231212312237) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21480832 + ... + 21584451.
It is an arithmetic number, because the mean of its divisors is an integer number (91858250772).
Almost surely, 22231212312230 is an apocalyptic number.
2231212312230 is an abundant number, since it is smaller than the sum of its proper divisors (3647715737178).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2231212312230 is a wasteful number, since it uses less digits than its factorization.
2231212312230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43065461.
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 2231212312230 its reverse (322132121322), we get a palindrome (2553344433552).
The spelling of 2231212312230 in words is "two trillion, two hundred thirty-one billion, two hundred twelve million, three hundred twelve thousand, two hundred thirty".
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