Base | Representation |
---|---|
bin | 111000010111000100… |
… | …0101000111101001011 |
3 | 102120102000010120211022 |
4 | 1300232020220331023 |
5 | 3440333433214011 |
6 | 131333555223055 |
7 | 11513212246025 |
oct | 1605610507513 |
9 | 376360116738 |
10 | 121033101131 |
11 | 4736a037308 |
12 | 1b5598a7a8b |
13 | b54b243c07 |
14 | 5c0262d015 |
15 | 3235a248db |
hex | 1c2e228f4b |
121033101131 has 4 divisors (see below), whose sum is σ = 121086025632. Its totient is φ = 120980176632.
The previous prime is 121033101127. The next prime is 121033101143. The reversal of 121033101131 is 131101330121.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 121033101131 - 22 = 121033101127 is a prime.
It is a super-2 number, since 2×1210331011312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (121033101191) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26458820 + ... + 26463393.
It is an arithmetic number, because the mean of its divisors is an integer number (30271506408).
Almost surely, 2121033101131 is an apocalyptic number.
121033101131 is a deficient number, since it is larger than the sum of its proper divisors (52924501).
121033101131 is an equidigital number, since it uses as much as digits as its factorization.
121033101131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52924500.
The product of its (nonzero) digits is 54, while the sum is 17.
Adding to 121033101131 its reverse (131101330121), we get a palindrome (252134431252).
The spelling of 121033101131 in words is "one hundred twenty-one billion, thirty-three million, one hundred one thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.062 sec. • engine limits •