Base | Representation |
---|---|
bin | 100100101010010… |
… | …0010110010010100 |
3 | 10011201200200022222 |
4 | 1021110202302110 |
5 | 10004402402012 |
6 | 322021441512 |
7 | 42324602621 |
oct | 11124426224 |
9 | 3151620288 |
10 | 1230122132 |
11 | 58140aa68 |
12 | 2a3b70298 |
13 | 167b0cc25 |
14 | b9531348 |
15 | 72eda972 |
hex | 49522c94 |
1230122132 has 6 divisors (see below), whose sum is σ = 2152713738. Its totient is φ = 615061064.
The previous prime is 1230122123. The next prime is 1230122141. The reversal of 1230122132 is 2312210321.
It is an interprime number because it is at equal distance from previous prime (1230122123) and next prime (1230122141).
It can be written as a sum of positive squares in only one way, i.e., 1137308176 + 92813956 = 33724^2 + 9634^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 1230122132.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153765263 + ... + 153765270.
It is an arithmetic number, because the mean of its divisors is an integer number (358785623).
Almost surely, 21230122132 is an apocalyptic number.
It is an amenable number.
1230122132 is a deficient number, since it is larger than the sum of its proper divisors (922591606).
1230122132 is a wasteful number, since it uses less digits than its factorization.
1230122132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 307530537 (or 307530535 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 1230122132 is about 35073.0969833005. The cubic root of 1230122132 is about 1071.4767311906.
Adding to 1230122132 its reverse (2312210321), we get a palindrome (3542332453).
The spelling of 1230122132 in words is "one billion, two hundred thirty million, one hundred twenty-two thousand, one hundred thirty-two".
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