Base | Representation |
---|---|
bin | 11000010001011011… |
… | …10101000010010100 |
3 | 1020122011101011100212 |
4 | 30020231311002110 |
5 | 203141432231312 |
6 | 5553022224552 |
7 | 640631543240 |
oct | 141055650224 |
9 | 36564334325 |
10 | 13031133332 |
11 | 558780a388 |
12 | 2638125158 |
13 | 12c89827a9 |
14 | 8b8951420 |
15 | 514051822 |
hex | 308b75094 |
13031133332 has 48 divisors (see below), whose sum is σ = 26852636160. Its totient is φ = 5417513472.
The previous prime is 13031133317. The next prime is 13031133347. The reversal of 13031133332 is 23333113031.
It is an interprime number because it is at equal distance from previous prime (13031133317) and next prime (13031133347).
It is a super-2 number, since 2×130311333322 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 13031133298 and 13031133307.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104894 + ... + 192522.
It is an arithmetic number, because the mean of its divisors is an integer number (559429920).
Almost surely, 213031133332 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 13031133332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13426318080).
13031133332 is an abundant number, since it is smaller than the sum of its proper divisors (13821502828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13031133332 is a wasteful number, since it uses less digits than its factorization.
13031133332 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 87800 (or 87798 counting only the distinct ones).
The product of its (nonzero) digits is 1458, while the sum is 23.
Adding to 13031133332 its reverse (23333113031), we get a palindrome (36364246363).
The spelling of 13031133332 in words is "thirteen billion, thirty-one million, one hundred thirty-three thousand, three hundred thirty-two".
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