Base | Representation |
---|---|
bin | 1110001010011010110011… |
… | …00110000011001110110110 |
3 | 11002021100220120202001222220 |
4 | 13011031121212003032312 |
5 | 13040232022104311410 |
6 | 150123255435303210 |
7 | 6363050026445415 |
oct | 705153146031666 |
9 | 132240816661886 |
10 | 31144311010230 |
11 | 9a182566a8960 |
12 | 35abb868aab06 |
13 | 144bb854728b2 |
14 | 79956d7b347c |
15 | 39020596d070 |
hex | 1c53599833b6 |
31144311010230 has 64 divisors (see below), whose sum is σ = 81566188704000. Its totient is φ = 7547847125120.
The previous prime is 31144311010157. The next prime is 31144311010279. The reversal of 31144311010230 is 3201011344113.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 31144311010230.
It is a congruent number.
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 31 ways as a sum of consecutive naturals, for example, 13215165 + ... + 15392504.
It is an arithmetic number, because the mean of its divisors is an integer number (1274471698500).
Almost surely, 231144311010230 is an apocalyptic number.
31144311010230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
31144311010230 is an abundant number, since it is smaller than the sum of its proper divisors (50421877693770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31144311010230 is a wasteful number, since it uses less digits than its factorization.
31144311010230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28610989.
The product of its (nonzero) digits is 864, while the sum is 24.
Adding to 31144311010230 its reverse (3201011344113), we get a palindrome (34345322354343).
The spelling of 31144311010230 in words is "thirty-one trillion, one hundred forty-four billion, three hundred eleven million, ten thousand, two hundred thirty".
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