Base | Representation |
---|---|
bin | 1111100000100… |
… | …10111100011100 |
3 | 100001210211001022 |
4 | 13300102330130 |
5 | 231301213040 |
6 | 20524303312 |
7 | 3136561160 |
oct | 760227434 |
9 | 301724038 |
10 | 130101020 |
11 | 67490905 |
12 | 376a1b38 |
13 | 20c5276a |
14 | 133c8ca0 |
15 | b64d6b5 |
hex | 7c12f1c |
130101020 has 24 divisors (see below), whose sum is σ = 312242784. Its totient is φ = 44606016.
The previous prime is 130100981. The next prime is 130101053. The reversal of 130101020 is 20101031.
It is a junction number, because it is equal to n+sod(n) for n = 130100989 and 130101007.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464507 + ... + 464786.
It is an arithmetic number, because the mean of its divisors is an integer number (13010116).
Almost surely, 2130101020 is an apocalyptic number.
130101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
130101020 is an abundant number, since it is smaller than the sum of its proper divisors (182141764).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130101020 is a wasteful number, since it uses less digits than its factorization.
130101020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 929309 (or 929307 counting only the distinct ones).
The product of its (nonzero) digits is 6, while the sum is 8.
The square root of 130101020 is about 11406.1834107645. The cubic root of 130101020 is about 506.7108850682.
Adding to 130101020 its reverse (20101031), we get a palindrome (150202051).
The spelling of 130101020 in words is "one hundred thirty million, one hundred one thousand, twenty".
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