Base | Representation |
---|---|
bin | 1010101101101110… |
… | …0010001000010100 |
3 | 21102102221010010222 |
4 | 2223123202020110 |
5 | 21342241342440 |
6 | 1153221133512 |
7 | 131162426141 |
oct | 25333421024 |
9 | 7372833128 |
10 | 2876121620 |
11 | 124654a819 |
12 | 68325a298 |
13 | 36ab30218 |
14 | 1d3d9b3c8 |
15 | 11c7742b5 |
hex | ab6e2214 |
2876121620 has 12 divisors (see below), whose sum is σ = 6039855444. Its totient is φ = 1150448640.
The previous prime is 2876121593. The next prime is 2876121623. The reversal of 2876121620 is 261216782.
It can be written as a sum of positive squares in 2 ways, for example, as 1211318416 + 1664803204 = 34804^2 + 40802^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2876121623) 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, 71903021 + ... + 71903060.
It is an arithmetic number, because the mean of its divisors is an integer number (503321287).
Almost surely, 22876121620 is an apocalyptic number.
2876121620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2876121620 is an abundant number, since it is smaller than the sum of its proper divisors (3163733824).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2876121620 is a wasteful number, since it uses less digits than its factorization.
2876121620 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 143806090 (or 143806088 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 35.
The square root of 2876121620 is about 53629.4846143425. The cubic root of 2876121620 is about 1422.1183782370.
The spelling of 2876121620 in words is "two billion, eight hundred seventy-six million, one hundred twenty-one thousand, six hundred twenty".
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