Base | Representation |
---|---|
bin | 10111111111100… |
… | …10011100010101 |
3 | 112000201121222202 |
4 | 23333302130111 |
5 | 403011133221 |
6 | 31545534245 |
7 | 4662530045 |
oct | 1377623425 |
9 | 460647882 |
10 | 201271061 |
11 | a3680a22 |
12 | 574a4385 |
13 | 32910a04 |
14 | 1ca33725 |
15 | 12a0ad0b |
hex | bff2715 |
201271061 has 8 divisors (see below), whose sum is σ = 205752960. Its totient is φ = 196797568.
The previous prime is 201271043. The next prime is 201271067. The reversal of 201271061 is 160172102.
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 201271061 - 210 = 201270037 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 (201271067) 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, 87650 + ... + 89916.
It is an arithmetic number, because the mean of its divisors is an integer number (25719120).
Almost surely, 2201271061 is an apocalyptic number.
It is an amenable number.
201271061 is a deficient number, since it is larger than the sum of its proper divisors (4481899).
201271061 is a wasteful number, since it uses less digits than its factorization.
201271061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4203.
The product of its (nonzero) digits is 168, while the sum is 20.
The square root of 201271061 is about 14187.0032424046. The cubic root of 201271061 is about 586.0398007112.
The spelling of 201271061 in words is "two hundred one million, two hundred seventy-one thousand, sixty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •