Base | Representation |
---|---|
bin | 1110011011011… |
… | …01000100101001 |
3 | 22102202010001202 |
4 | 13031231010221 |
5 | 221441024001 |
6 | 20002053545 |
7 | 2666522615 |
oct | 715550451 |
9 | 272663052 |
10 | 121033001 |
11 | 62357981 |
12 | 3464a2b5 |
13 | 1c0c917b |
14 | 12108345 |
15 | a95b96b |
hex | 736d129 |
121033001 has 4 divisors (see below), whose sum is σ = 121094400. Its totient is φ = 120971604.
The previous prime is 121032997. The next prime is 121033009. The reversal of 121033001 is 100330121.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 100330121 = 1109 ⋅90469.
It is a cyclic number.
It is not a de Polignac number, because 121033001 - 22 = 121032997 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (121033009) 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, 27641 + ... + 31718.
It is an arithmetic number, because the mean of its divisors is an integer number (30273600).
Almost surely, 2121033001 is an apocalyptic number.
It is an amenable number.
121033001 is a deficient number, since it is larger than the sum of its proper divisors (61399).
121033001 is an equidigital number, since it uses as much as digits as its factorization.
121033001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61398.
The product of its (nonzero) digits is 18, while the sum is 11.
The square root of 121033001 is about 11001.4999431896. The cubic root of 121033001 is about 494.6537060314.
Adding to 121033001 its reverse (100330121), we get a palindrome (221363122).
The spelling of 121033001 in words is "one hundred twenty-one million, thirty-three thousand, one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •