Base | Representation |
---|---|
bin | 10010110110100010… |
… | …11001110010100010 |
3 | 222010100212102021100 |
4 | 21123101121302202 |
5 | 131212013121310 |
6 | 4352152535230 |
7 | 505545656511 |
oct | 113321316242 |
9 | 28110772240 |
10 | 10121223330 |
11 | 4324191989 |
12 | 1b656b1516 |
13 | c53b5215a |
14 | 6c02ba678 |
15 | 3e3855ec0 |
hex | 25b459ca2 |
10121223330 has 48 divisors (see below), whose sum is σ = 26337372984. Its totient is φ = 2696716800.
The previous prime is 10121223323. The next prime is 10121223361. The reversal of 10121223330 is 3332212101.
10121223330 is a `hidden beast` number, since 101 + 212 + 23 + 330 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 8233929081 + 1887294249 = 90741^2 + 43443^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61272 + ... + 154908.
Almost surely, 210121223330 is an apocalyptic number.
10121223330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
10121223330 is an abundant number, since it is smaller than the sum of its proper divisors (16216149654).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10121223330 is a wasteful number, since it uses less digits than its factorization.
10121223330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 94851 (or 94848 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 10121223330 its reverse (3332212101), we get a palindrome (13453435431).
The spelling of 10121223330 in words is "ten billion, one hundred twenty-one million, two hundred twenty-three thousand, three hundred thirty".
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