Base | Representation |
---|---|
bin | 111000011001000100… |
… | …1000001111000100101 |
3 | 102120120200121020221111 |
4 | 1300302021001320211 |
5 | 3441003134441401 |
6 | 131344355545021 |
7 | 11514656445256 |
oct | 1606211017045 |
9 | 376520536844 |
10 | 121100312101 |
11 | 473a3a7296a |
12 | 1b5782bb171 |
13 | b55c147112 |
14 | 5c0b526b2d |
15 | 323b89de51 |
hex | 1c32241e25 |
121100312101 has 8 divisors (see below), whose sum is σ = 121891752000. Its totient is φ = 120310563072.
The previous prime is 121100312087. The next prime is 121100312119. The reversal of 121100312101 is 101213001121.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 121100312101 - 27 = 121100311973 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121100312171) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278851 + ... + 565648.
It is an arithmetic number, because the mean of its divisors is an integer number (15236469000).
Almost surely, 2121100312101 is an apocalyptic number.
It is an amenable number.
121100312101 is a deficient number, since it is larger than the sum of its proper divisors (791439899).
121100312101 is an equidigital number, since it uses as much as digits as its factorization.
121100312101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 845435.
The product of its (nonzero) digits is 12, while the sum is 13.
Adding to 121100312101 its reverse (101213001121), we get a palindrome (222313313222).
The spelling of 121100312101 in words is "one hundred twenty-one billion, one hundred million, three hundred twelve thousand, one hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •