Base | Representation |
---|---|
bin | 111000110101101011… |
… | …000110011101101100 |
3 | 12211112021202220202020 |
4 | 320311223012131230 |
5 | 1444442142031020 |
6 | 44011541230140 |
7 | 4260244503060 |
oct | 706553063554 |
9 | 184467686666 |
10 | 61030033260 |
11 | 23978954319 |
12 | b9b2a02350 |
13 | 59a7c81521 |
14 | 2d4d5bbaa0 |
15 | 18c2db7c40 |
hex | e35ac676c |
61030033260 has 96 divisors (see below), whose sum is σ = 195647477760. Its totient is φ = 13924624128.
The previous prime is 61030033241. The next prime is 61030033291. The reversal of 61030033260 is 6233003016.
It is a self number, because there is not a number n which added to its sum of digits gives 61030033260.
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, 103501 + ... + 364379.
It is an arithmetic number, because the mean of its divisors is an integer number (2037994560).
Almost surely, 261030033260 is an apocalyptic number.
61030033260 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 61030033260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97823738880).
61030033260 is an abundant number, since it is smaller than the sum of its proper divisors (134617444500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61030033260 is a wasteful number, since it uses less digits than its factorization.
61030033260 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 261455 (or 261453 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 24.
Adding to 61030033260 its reverse (6233003016), we get a palindrome (67263036276).
The spelling of 61030033260 in words is "sixty-one billion, thirty million, thirty-three thousand, two hundred sixty".
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