Base | Representation |
---|---|
bin | 1010010100101100… |
… | …0001010001000101 |
3 | 21011010100221220201 |
4 | 2211023001101011 |
5 | 21133402120123 |
6 | 1134550530501 |
7 | 125446132333 |
oct | 24513012105 |
9 | 7133327821 |
10 | 2771129413 |
11 | 11a22595a8 |
12 | 654066a31 |
13 | 35215c360 |
14 | 1c406ab53 |
15 | 1134355ad |
hex | a52c1445 |
2771129413 has 4 divisors (see below), whose sum is σ = 2984293228. Its totient is φ = 2557965600.
The previous prime is 2771129381. The next prime is 2771129441. The reversal of 2771129413 is 3149211772.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 275327649 + 2495801764 = 16593^2 + 49958^2 .
It is a cyclic number.
It is not a de Polignac number, because 2771129413 - 25 = 2771129381 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2771129483) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106581888 + ... + 106581913.
It is an arithmetic number, because the mean of its divisors is an integer number (746073307).
Almost surely, 22771129413 is an apocalyptic number.
It is an amenable number.
2771129413 is a deficient number, since it is larger than the sum of its proper divisors (213163815).
2771129413 is a wasteful number, since it uses less digits than its factorization.
2771129413 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 213163814.
The product of its digits is 21168, while the sum is 37.
The square root of 2771129413 is about 52641.5179587367. The cubic root of 2771129413 is about 1404.5987233111.
The spelling of 2771129413 in words is "two billion, seven hundred seventy-one million, one hundred twenty-nine thousand, four hundred thirteen".
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