Base | Representation |
---|---|
bin | 11001011010100… |
… | …11000010011011 |
3 | 112212011201212020 |
4 | 30231103002123 |
5 | 414034413201 |
6 | 33053345523 |
7 | 5166115260 |
oct | 1455230233 |
9 | 485151766 |
10 | 213201051 |
11 | aa38a118 |
12 | 5b4982a3 |
13 | 35229b8b |
14 | 2045b267 |
15 | 13ab5a36 |
hex | cb5309b |
213201051 has 16 divisors (see below), whose sum is σ = 326828544. Its totient is φ = 121097664.
The previous prime is 213201041. The next prime is 213201073. The reversal of 213201051 is 150102312.
213201051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 213201051 - 26 = 213200987 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 213201051.
It is not an unprimeable number, because it can be changed into a prime (213201041) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26890 + ... + 33903.
It is an arithmetic number, because the mean of its divisors is an integer number (20426784).
Almost surely, 2213201051 is an apocalyptic number.
213201051 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
213201051 is a deficient number, since it is larger than the sum of its proper divisors (113627493).
213201051 is a wasteful number, since it uses less digits than its factorization.
213201051 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60970.
The product of its (nonzero) digits is 60, while the sum is 15.
The square root of 213201051 is about 14601.4057884849. The cubic root of 213201051 is about 597.3971051144.
Adding to 213201051 its reverse (150102312), we get a palindrome (363303363).
The spelling of 213201051 in words is "two hundred thirteen million, two hundred one thousand, fifty-one".
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