Base | Representation |
---|---|
bin | 1110011100001… |
… | …00110000011010 |
3 | 22102221001010200 |
4 | 13032010300122 |
5 | 222002130020 |
6 | 20004123030 |
7 | 3000405501 |
oct | 716046032 |
9 | 272831120 |
10 | 121130010 |
11 | 62413851 |
12 | 34696476 |
13 | 1c131381 |
14 | 12131838 |
15 | a97a590 |
hex | 7384c1a |
121130010 has 24 divisors (see below), whose sum is σ = 314938260. Its totient is φ = 32301312.
The previous prime is 121130003. The next prime is 121130033. The reversal of 121130010 is 10031121.
It can be written as a sum of positive squares in 2 ways, for example, as 110061081 + 11068929 = 10491^2 + 3327^2 .
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 121129974 and 121130001.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 672855 + ... + 673034.
Almost surely, 2121130010 is an apocalyptic number.
121130010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
121130010 is an abundant number, since it is smaller than the sum of its proper divisors (193808250).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121130010 is a wasteful number, since it uses less digits than its factorization.
121130010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1345902 (or 1345899 counting only the distinct ones).
The product of its (nonzero) digits is 6, while the sum is 9.
The square root of 121130010 is about 11005.9079589101. The cubic root of 121130010 is about 494.7858271508.
Adding to 121130010 its reverse (10031121), we get a palindrome (131161131).
The spelling of 121130010 in words is "one hundred twenty-one million, one hundred thirty thousand, ten".
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