Base | Representation |
---|---|
bin | 1011101010100100… |
… | …1101111010011010 |
3 | 22002020012221002000 |
4 | 2322221031322122 |
5 | 22403112221231 |
6 | 1234420021430 |
7 | 140412116022 |
oct | 27251157232 |
9 | 8066187060 |
10 | 3131367066 |
11 | 1367636473 |
12 | 734831876 |
13 | 3ab98b329 |
14 | 219c40a82 |
15 | 134d926e6 |
hex | baa4de9a |
3131367066 has 64 divisors (see below), whose sum is σ = 7057290240. Its totient is φ = 1029078000.
The previous prime is 3131367061. The next prime is 3131367073. The reversal of 3131367066 is 6607631313.
It is a self number, because there is not a number n which added to its sum of digits gives 3131367066.
It is not an unprimeable number, because it can be changed into a prime (3131367061) 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, 1394941 + ... + 1397183.
It is an arithmetic number, because the mean of its divisors is an integer number (110270160).
Almost surely, 23131367066 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3131367066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3528645120).
3131367066 is an abundant number, since it is smaller than the sum of its proper divisors (3925923174).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3131367066 is a wasteful number, since it uses less digits than its factorization.
3131367066 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2608 (or 2602 counting only the distinct ones).
The product of its (nonzero) digits is 40824, while the sum is 36.
The square root of 3131367066 is about 55958.6192288552. The cubic root of 3131367066 is about 1463.0011242601.
Adding to 3131367066 its reverse (6607631313), we get a palindrome (9738998379).
The spelling of 3131367066 in words is "three billion, one hundred thirty-one million, three hundred sixty-seven thousand, sixty-six".
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