Base | Representation |
---|---|
bin | 11101000110000111… |
… | …100000010000001000 |
3 | 2222122020201111220122 |
4 | 131012013200100020 |
5 | 1002440213041204 |
6 | 22204010042412 |
7 | 2154120223310 |
oct | 350607402010 |
9 | 88566644818 |
10 | 31241143304 |
11 | 122818a13a8 |
12 | 607a719408 |
13 | 2c3b563617 |
14 | 1725208440 |
15 | c2ca900be |
hex | 7461e0408 |
31241143304 has 64 divisors (see below), whose sum is σ = 70912195200. Its totient is φ = 12596327424.
The previous prime is 31241143303. The next prime is 31241143379. The reversal of 31241143304 is 40334114213.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (31241143303) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3068927 + ... + 3079089.
It is an arithmetic number, because the mean of its divisors is an integer number (1108003050).
Almost surely, 231241143304 is an apocalyptic number.
31241143304 is a gapful number since it is divisible by the number (34) formed by its first and last digit.
It is an amenable number.
31241143304 is an abundant number, since it is smaller than the sum of its proper divisors (39671051896).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31241143304 is a wasteful number, since it uses less digits than its factorization.
31241143304 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13422 (or 13418 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 26.
Adding to 31241143304 its reverse (40334114213), we get a palindrome (71575257517).
The spelling of 31241143304 in words is "thirty-one billion, two hundred forty-one million, one hundred forty-three thousand, three hundred four".
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