Base | Representation |
---|---|
bin | 1110011101101… |
… | …10010100100111 |
3 | 22110022100121222 |
4 | 13032312110213 |
5 | 222030124111 |
6 | 20012330555 |
7 | 3002212421 |
oct | 716662447 |
9 | 273270558 |
10 | 121333031 |
11 | 62542336 |
12 | 34773a5b |
13 | 1c1a28c1 |
14 | 12185811 |
15 | a9ba7db |
hex | 73b6527 |
121333031 has 8 divisors (see below), whose sum is σ = 128460720. Its totient is φ = 114279552.
The previous prime is 121333001. The next prime is 121333033. The reversal of 121333031 is 130333121.
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 121333031 - 214 = 121316647 is a prime.
It is a super-2 number, since 2×1213330312 = 29443408823293922, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121333033) 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, 15170 + ... + 21743.
It is an arithmetic number, because the mean of its divisors is an integer number (16057590).
Almost surely, 2121333031 is an apocalyptic number.
121333031 is a deficient number, since it is larger than the sum of its proper divisors (7127689).
121333031 is a wasteful number, since it uses less digits than its factorization.
121333031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37105.
The product of its (nonzero) digits is 162, while the sum is 17.
The square root of 121333031 is about 11015.1273710294. The cubic root of 121333031 is about 495.0621028772.
Adding to 121333031 its reverse (130333121), we get a palindrome (251666152).
The spelling of 121333031 in words is "one hundred twenty-one million, three hundred thirty-three thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.084 sec. • engine limits •