Base | Representation |
---|---|
bin | 1001001111101011… |
… | …1101111110100001 |
3 | 20101221202212200201 |
4 | 2103322331332201 |
5 | 20040304141321 |
6 | 1050131345201 |
7 | 115333115044 |
oct | 22372757641 |
9 | 6357685621 |
10 | 2481708961 |
11 | 1063950746 |
12 | 593152201 |
13 | 3071c6b54 |
14 | 19784cc5b |
15 | e7d16291 |
hex | 93ebdfa1 |
2481708961 has 8 divisors (see below), whose sum is σ = 2492144424. Its totient is φ = 2471293440.
The previous prime is 2481708913. The next prime is 2481708973. The reversal of 2481708961 is 1698071842.
It can be written as a sum of positive squares in 4 ways, for example, as 386358336 + 2095350625 = 19656^2 + 45775^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2481708961 - 27 = 2481708833 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2481708991) 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, 276931 + ... + 285751.
It is an arithmetic number, because the mean of its divisors is an integer number (311518053).
Almost surely, 22481708961 is an apocalyptic number.
It is an amenable number.
2481708961 is a deficient number, since it is larger than the sum of its proper divisors (10435463).
2481708961 is an equidigital number, since it uses as much as digits as its factorization.
2481708961 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9971.
The product of its (nonzero) digits is 193536, while the sum is 46.
The square root of 2481708961 is about 49816.7538183692. The cubic root of 2481708961 is about 1353.8907350589.
The spelling of 2481708961 in words is "two billion, four hundred eighty-one million, seven hundred eight thousand, nine hundred sixty-one".
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