Base | Representation |
---|---|
bin | 111111110101111… |
… | …0101111111000100 |
3 | 12112021221000121102 |
4 | 1333223311333010 |
5 | 13341400342443 |
6 | 552322435232 |
7 | 104041253213 |
oct | 17753657704 |
9 | 5467830542 |
10 | 2142199748 |
11 | 9aa241417 |
12 | 4b9502b18 |
13 | 281a74a20 |
14 | 16471307a |
15 | c8100cb8 |
hex | 7faf5fc4 |
2142199748 has 24 divisors (see below), whose sum is σ = 4038498072. Its totient is φ = 988395264.
The previous prime is 2142199747. The next prime is 2142199817. The reversal of 2142199748 is 8479912412.
It can be written as a sum of positive squares in 4 ways, for example, as 31899904 + 2110299844 = 5648^2 + 45938^2 .
It is not an unprimeable number, because it can be changed into a prime (2142199747) 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, 278936 + ... + 286512.
It is an arithmetic number, because the mean of its divisors is an integer number (168270753).
Almost surely, 22142199748 is an apocalyptic number.
It is an amenable number.
2142199748 is a deficient number, since it is larger than the sum of its proper divisors (1896298324).
2142199748 is a wasteful number, since it uses less digits than its factorization.
2142199748 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13031 (or 13029 counting only the distinct ones).
The product of its digits is 290304, while the sum is 47.
The square root of 2142199748 is about 46283.9037679408. The cubic root of 2142199748 is about 1289.1001372082.
The spelling of 2142199748 in words is "two billion, one hundred forty-two million, one hundred ninety-nine thousand, seven hundred forty-eight".
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