Base | Representation |
---|---|
bin | 1100011011001011111… |
… | …1110101010010000111 |
3 | 202101222011000110022102 |
4 | 3012302333311102013 |
5 | 11444124324202041 |
6 | 242021025022315 |
7 | 21264436050224 |
oct | 3066277652207 |
9 | 671864013272 |
10 | 213456475271 |
11 | 82587685246 |
12 | 3545218499b |
13 | 1718a146c90 |
14 | a48d31294b |
15 | 58449e309b |
hex | 31b2ff5487 |
213456475271 has 8 divisors (see below), whose sum is σ = 229986697584. Its totient is φ = 196942037760.
The previous prime is 213456475237. The next prime is 213456475273. The reversal of 213456475271 is 172574654312.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-213456475271 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 (213456475273) 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, 3918101 + ... + 3972206.
It is an arithmetic number, because the mean of its divisors is an integer number (28748337198).
Almost surely, 2213456475271 is an apocalyptic number.
213456475271 is a deficient number, since it is larger than the sum of its proper divisors (16530222313).
213456475271 is a wasteful number, since it uses less digits than its factorization.
213456475271 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7892401.
The product of its digits is 1411200, while the sum is 47.
The spelling of 213456475271 in words is "two hundred thirteen billion, four hundred fifty-six million, four hundred seventy-five thousand, two hundred seventy-one".
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