Base | Representation |
---|---|
bin | 1010101010001000… |
… | …0110000100011111 |
3 | 21101101121010122002 |
4 | 2222202012010133 |
5 | 21324413030404 |
6 | 1151522312515 |
7 | 130620434600 |
oct | 25242060437 |
9 | 7341533562 |
10 | 2861064479 |
11 | 1238aa60a9 |
12 | 67a1b873b |
13 | 36798a880 |
14 | 1d1d9bda7 |
15 | 11b29cc1e |
hex | aa88611f |
2861064479 has 48 divisors (see below), whose sum is σ = 3875407200. Its totient is φ = 2086269696.
The previous prime is 2861064473. The next prime is 2861064491. The reversal of 2861064479 is 9744601682.
It is not a de Polignac number, because 2861064479 - 24 = 2861064463 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2861064473) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 444617 + ... + 451005.
It is an arithmetic number, because the mean of its divisors is an integer number (80737650).
Almost surely, 22861064479 is an apocalyptic number.
2861064479 is a deficient number, since it is larger than the sum of its proper divisors (1014342721).
2861064479 is a wasteful number, since it uses less digits than its factorization.
2861064479 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6472 (or 6465 counting only the distinct ones).
The product of its (nonzero) digits is 580608, while the sum is 47.
The square root of 2861064479 is about 53488.9192169743. The cubic root of 2861064479 is about 1419.6323320744.
The spelling of 2861064479 in words is "two billion, eight hundred sixty-one million, sixty-four thousand, four hundred seventy-nine".
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