Base | Representation |
---|---|
bin | 111100010100110… |
… | …111001111110010 |
3 | 2121112110010010002 |
4 | 330110313033302 |
5 | 4033044232010 |
6 | 244232510002 |
7 | 34036504034 |
oct | 7424671762 |
9 | 2545403102 |
10 | 1012102130 |
11 | 47a33a346 |
12 | 242b4b302 |
13 | 1318b6800 |
14 | 985bbc54 |
15 | 5dcc21a5 |
hex | 3c5373f2 |
1012102130 has 24 divisors (see below), whose sum is σ = 1972704132. Its totient is φ = 373698624.
The previous prime is 1012102121. The next prime is 1012102139. The reversal of 1012102130 is 312012101.
It is an interprime number because it is at equal distance from previous prime (1012102121) and next prime (1012102139).
It can be written as a sum of positive squares in 6 ways, for example, as 140730769 + 871371361 = 11863^2 + 29519^2 .
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (1012102139) 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, 297749 + ... + 301128.
Almost surely, 21012102130 is an apocalyptic number.
1012102130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1012102130 is a deficient number, since it is larger than the sum of its proper divisors (960602002).
1012102130 is a wasteful number, since it uses less digits than its factorization.
1012102130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 598910 (or 598897 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 11.
The square root of 1012102130 is about 31813.5526151984. The cubic root of 1012102130 is about 1004.0178783661.
Adding to 1012102130 its reverse (312012101), we get a palindrome (1324114231).
The spelling of 1012102130 in words is "one billion, twelve million, one hundred two thousand, one hundred thirty".
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