Base | Representation |
---|---|
bin | 1100000001001110001111… |
… | …0010010110110100111000 |
3 | 1201210100120220022021221010 |
4 | 3000103203302112310320 |
5 | 3213004102100444344 |
6 | 44034541343313520 |
7 | 2532522341241516 |
oct | 300234362266470 |
9 | 51710526267833 |
10 | 13215141031224 |
11 | 4235567659840 |
12 | 1595223bab8a0 |
13 | 74b24ab02162 |
14 | 33988ad5d4b6 |
15 | 17db51ecc8b9 |
hex | c04e3c96d38 |
13215141031224 has 128 divisors (see below), whose sum is σ = 36724603219200. Its totient is φ = 3928678440960.
The previous prime is 13215141031219. The next prime is 13215141031259. The reversal of 13215141031224 is 42213014151231.
It is a super-2 number, since 2×132151410312242 (a number of 27 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 13215141031191 and 13215141031200.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 185484312 + ... + 185555544.
It is an arithmetic number, because the mean of its divisors is an integer number (286910962650).
Almost surely, 213215141031224 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13215141031224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18362301609600).
13215141031224 is an abundant number, since it is smaller than the sum of its proper divisors (23509462187976).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13215141031224 is a wasteful number, since it uses less digits than its factorization.
13215141031224 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84565 (or 84561 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 30.
Adding to 13215141031224 its reverse (42213014151231), we get a palindrome (55428155182455).
The spelling of 13215141031224 in words is "thirteen trillion, two hundred fifteen billion, one hundred forty-one million, thirty-one thousand, two hundred twenty-four".
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