Base | Representation |
---|---|
bin | 1110011111110… |
… | …00111110110111 |
3 | 22110211020011120 |
4 | 13033320332313 |
5 | 222112343241 |
6 | 20022235023 |
7 | 3004430436 |
oct | 717707667 |
9 | 273736146 |
10 | 121606071 |
11 | 62709494 |
12 | 34885a73 |
13 | 1c269c72 |
14 | 1221711d |
15 | aa21666 |
hex | 73f8fb7 |
121606071 has 8 divisors (see below), whose sum is σ = 162991104. Its totient is φ = 80645880.
The previous prime is 121606027. The next prime is 121606097. The reversal of 121606071 is 170606121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 121606071 - 26 = 121606007 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121606171) 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, 105541 + ... + 106686.
It is an arithmetic number, because the mean of its divisors is an integer number (20373888).
Almost surely, 2121606071 is an apocalyptic number.
121606071 is a deficient number, since it is larger than the sum of its proper divisors (41385033).
121606071 is a wasteful number, since it uses less digits than its factorization.
121606071 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 212421.
The product of its (nonzero) digits is 504, while the sum is 24.
The square root of 121606071 is about 11027.5142711311. The cubic root of 121606071 is about 495.4331765744.
Subtracting 121606071 from its reverse (170606121), we obtain a triangular number (49000050 = T9899).
The spelling of 121606071 in words is "one hundred twenty-one million, six hundred six thousand, seventy-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •