Base | Representation |
---|---|
bin | 10010110110100010… |
… | …00001000101001010 |
3 | 222010100200021102220 |
4 | 21123101001011022 |
5 | 131212001401442 |
6 | 4352150434510 |
7 | 505545055446 |
oct | 113321010512 |
9 | 28110607386 |
10 | 10121122122 |
11 | 4324122941 |
12 | 1b65662a36 |
13 | c53b18077 |
14 | 6c0291826 |
15 | 3e3835eec |
hex | 25b44114a |
10121122122 has 32 divisors (see below), whose sum is σ = 21443380800. Its totient is φ = 3175780608.
The previous prime is 10121122093. The next prime is 10121122129. The reversal of 10121122122 is 22122112101.
It is a super-2 number, since 2×101211221222 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (10121122129) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264847 + ... + 300642.
It is an arithmetic number, because the mean of its divisors is an integer number (670105650).
Almost surely, 210121122122 is an apocalyptic number.
10121122122 is an abundant number, since it is smaller than the sum of its proper divisors (11322258678).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10121122122 is a wasteful number, since it uses less digits than its factorization.
10121122122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 565670.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 10121122122 its reverse (22122112101), we get a palindrome (32243234223).
The spelling of 10121122122 in words is "ten billion, one hundred twenty-one million, one hundred twenty-two thousand, one hundred twenty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •