Base | Representation |
---|---|
bin | 1011011011101010… |
… | …1101001101000101 |
3 | 21220212120100221020 |
4 | 2312322231031011 |
5 | 22241110432241 |
6 | 1224303541353 |
7 | 136022506422 |
oct | 26672551505 |
9 | 7825510836 |
10 | 3068842821 |
11 | 1335311040 |
12 | 7178ba859 |
13 | 39ba39435 |
14 | 211806d49 |
15 | 12e641b66 |
hex | b6ead345 |
3068842821 has 16 divisors (see below), whose sum is σ = 4483799040. Its totient is φ = 1851559920.
The previous prime is 3068842801. The next prime is 3068842823. The reversal of 3068842821 is 1282488603.
It is a happy number.
It is not a de Polignac number, because 3068842821 - 215 = 3068810053 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3068842823) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201151 + ... + 215868.
It is an arithmetic number, because the mean of its divisors is an integer number (280237440).
Almost surely, 23068842821 is an apocalyptic number.
It is an amenable number.
3068842821 is a deficient number, since it is larger than the sum of its proper divisors (1414956219).
3068842821 is a wasteful number, since it uses less digits than its factorization.
3068842821 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 417256.
The product of its (nonzero) digits is 147456, while the sum is 42.
The square root of 3068842821 is about 55397.1372996836. The cubic root of 3068842821 is about 1453.1983022650.
The spelling of 3068842821 in words is "three billion, sixty-eight million, eight hundred forty-two thousand, eight hundred twenty-one".
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