Base | Representation |
---|---|
bin | 1100110100111001… |
… | …1101111111001001 |
3 | 22212221211201121112 |
4 | 3031032131333021 |
5 | 24022414401441 |
6 | 1325354020105 |
7 | 151216024625 |
oct | 31516357711 |
9 | 8787751545 |
10 | 3443122121 |
11 | 150760967a |
12 | 801117635 |
13 | 42b44378a |
14 | 2493d4185 |
15 | 1524244eb |
hex | cd39dfc9 |
3443122121 has 12 divisors (see below), whose sum is σ = 3569682012. Its totient is φ = 3320911104.
The previous prime is 3443122093. The next prime is 3443122127. The reversal of 3443122121 is 1212213443.
It can be written as a sum of positive squares in 6 ways, for example, as 286929721 + 3156192400 = 16939^2 + 56180^2 .
It is not a de Polignac number, because 3443122121 - 218 = 3442859977 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (3443122127) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1203725 + ... + 1206581.
It is an arithmetic number, because the mean of its divisors is an integer number (297473501).
Almost surely, 23443122121 is an apocalyptic number.
It is an amenable number.
3443122121 is a deficient number, since it is larger than the sum of its proper divisors (126559891).
3443122121 is a wasteful number, since it uses less digits than its factorization.
3443122121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4348 (or 4319 counting only the distinct ones).
The product of its digits is 1152, while the sum is 23.
The square root of 3443122121 is about 58678.1230187197. The cubic root of 3443122121 is about 1510.0250161784.
Adding to 3443122121 its reverse (1212213443), we get a palindrome (4655335564).
The spelling of 3443122121 in words is "three billion, four hundred forty-three million, one hundred twenty-two thousand, one hundred twenty-one".
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