Base | Representation |
---|---|
bin | 1001111010011111… |
… | …0010010110111101 |
3 | 20212110120111021120 |
4 | 2132213302112331 |
5 | 20422233330023 |
6 | 1120023221153 |
7 | 122643040041 |
oct | 23647622675 |
9 | 6773514246 |
10 | 2661230013 |
11 | 1146216552 |
12 | 6232a77b9 |
13 | 335460a20 |
14 | 1b3620021 |
15 | 1089778e3 |
hex | 9e9f25bd |
2661230013 has 8 divisors (see below), whose sum is σ = 3821253408. Its totient is φ = 1637679984.
The previous prime is 2661229951. The next prime is 2661230021. The reversal of 2661230013 is 3100321662.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-2661230013 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2661230083) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34118295 + ... + 34118372.
It is an arithmetic number, because the mean of its divisors is an integer number (477656676).
Almost surely, 22661230013 is an apocalyptic number.
It is an amenable number.
2661230013 is a deficient number, since it is larger than the sum of its proper divisors (1160023395).
2661230013 is a wasteful number, since it uses less digits than its factorization.
2661230013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68236683.
The product of its (nonzero) digits is 1296, while the sum is 24.
The square root of 2661230013 is about 51587.1109192984. The cubic root of 2661230013 is about 1385.7795162644.
Adding to 2661230013 its reverse (3100321662), we get a palindrome (5761551675).
The spelling of 2661230013 in words is "two billion, six hundred sixty-one million, two hundred thirty thousand, thirteen".
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