Base | Representation |
---|---|
bin | 1010110000101111… |
… | …1110100110010100 |
3 | 21110022211022121120 |
4 | 2230023332212110 |
5 | 21404014234030 |
6 | 1154353243540 |
7 | 131405401032 |
oct | 25413764624 |
9 | 7408738546 |
10 | 2888821140 |
11 | 1252734097 |
12 | 6875635b0 |
13 | 37065872a |
14 | 1d5945552 |
15 | 11d932010 |
hex | ac2fe994 |
2888821140 has 24 divisors (see below), whose sum is σ = 8088699360. Its totient is φ = 770352288.
The previous prime is 2888821097. The next prime is 2888821147. The reversal of 2888821140 is 411288882.
It is a junction number, because it is equal to n+sod(n) for n = 2888821092 and 2888821101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2888821147) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24073450 + ... + 24073569.
It is an arithmetic number, because the mean of its divisors is an integer number (337029140).
Almost surely, 22888821140 is an apocalyptic number.
2888821140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2888821140 is an abundant number, since it is smaller than the sum of its proper divisors (5199878220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2888821140 is a wasteful number, since it uses less digits than its factorization.
2888821140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48147031 (or 48147029 counting only the distinct ones).
The product of its (nonzero) digits is 65536, while the sum is 42.
The square root of 2888821140 is about 53747.7547438030. The cubic root of 2888821140 is about 1424.2084270990.
The spelling of 2888821140 in words is "two billion, eight hundred eighty-eight million, eight hundred twenty-one thousand, one hundred forty".
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