Base | Representation |
---|---|
bin | 1110011101010… |
… | …00011001100111 |
3 | 22110012110101222 |
4 | 13032220121213 |
5 | 222021313012 |
6 | 20011210555 |
7 | 3001554236 |
oct | 716503147 |
9 | 273173358 |
10 | 121276007 |
11 | 62503506 |
12 | 34746a5b |
13 | 1c182968 |
14 | 1216cb1d |
15 | a9a8972 |
hex | 73a8667 |
121276007 has 4 divisors (see below), whose sum is σ = 122349360. Its totient is φ = 120202656.
The previous prime is 121276003. The next prime is 121276013. The reversal of 121276007 is 700672121.
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 121276007 - 22 = 121276003 is a prime.
It is a super-3 number, since 3×1212760073 (a number of 25 digits) contains 333 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 (121276003) 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, 536507 + ... + 536732.
It is an arithmetic number, because the mean of its divisors is an integer number (30587340).
Almost surely, 2121276007 is an apocalyptic number.
121276007 is a deficient number, since it is larger than the sum of its proper divisors (1073353).
121276007 is a wasteful number, since it uses less digits than its factorization.
121276007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1073352.
The product of its (nonzero) digits is 1176, while the sum is 26.
The square root of 121276007 is about 11012.5386264930. The cubic root of 121276007 is about 494.9845344282.
The spelling of 121276007 in words is "one hundred twenty-one million, two hundred seventy-six thousand, seven".
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