Base | Representation |
---|---|
bin | 1001100100100000… |
… | …0001011000100100 |
3 | 20122001001120121220 |
4 | 2121020001120210 |
5 | 20230132014433 |
6 | 1102530540340 |
7 | 120443166045 |
oct | 23110013044 |
9 | 6561046556 |
10 | 2569016868 |
11 | 10a9163440 |
12 | 5b84376b0 |
13 | 31c315632 |
14 | 1a52988cc |
15 | 1008102b3 |
hex | 99201624 |
2569016868 has 96 divisors (see below), whose sum is σ = 6719569920. Its totient is φ = 757152000.
The previous prime is 2569016867. The next prime is 2569016869. The reversal of 2569016868 is 8686109652.
It is an interprime number because it is at equal distance from previous prime (2569016867) and next prime (2569016869).
It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 2569016868.
It is not an unprimeable number, because it can be changed into a prime (2569016867) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2591853 + ... + 2592843.
It is an arithmetic number, because the mean of its divisors is an integer number (69995520).
Almost surely, 22569016868 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2569016868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3359784960).
2569016868 is an abundant number, since it is smaller than the sum of its proper divisors (4150553052).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2569016868 is a wasteful number, since it uses less digits than its factorization.
2569016868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1529 (or 1527 counting only the distinct ones).
The product of its (nonzero) digits is 1244160, while the sum is 51.
The square root of 2569016868 is about 50685.4699889426. The cubic root of 2569016868 is about 1369.5849823586.
The spelling of 2569016868 in words is "two billion, five hundred sixty-nine million, sixteen thousand, eight hundred sixty-eight".
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