Base | Representation |
---|---|
bin | 1010101110111000… |
… | …1111010010111101 |
3 | 21102210011020121112 |
4 | 2223232033102331 |
5 | 21400020301323 |
6 | 1153514211405 |
7 | 131252211263 |
oct | 25356172275 |
9 | 7383136545 |
10 | 2881025213 |
11 | 1249299980 |
12 | 684a23b65 |
13 | 36bb59161 |
14 | 1d48b6433 |
15 | 11cde2178 |
hex | abb8f4bd |
2881025213 has 8 divisors (see below), whose sum is σ = 3251314080. Its totient is φ = 2528799280.
The previous prime is 2881025209. The next prime is 2881025219. The reversal of 2881025213 is 3125201882.
It is a happy number.
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 2881025213 - 22 = 2881025209 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2881025213.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2881025219) 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, 4515395 + ... + 4516032.
It is an arithmetic number, because the mean of its divisors is an integer number (406414260).
Almost surely, 22881025213 is an apocalyptic number.
It is an amenable number.
2881025213 is a deficient number, since it is larger than the sum of its proper divisors (370288867).
2881025213 is a wasteful number, since it uses less digits than its factorization.
2881025213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9031467.
The product of its (nonzero) digits is 7680, while the sum is 32.
The square root of 2881025213 is about 53675.1824682506. The cubic root of 2881025213 is about 1422.9261246035.
The spelling of 2881025213 in words is "two billion, eight hundred eighty-one million, twenty-five thousand, two hundred thirteen".
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