Base | Representation |
---|---|
bin | 10111111111001… |
… | …00010001100110 |
3 | 112000121200101110 |
4 | 23333210101212 |
5 | 403002304110 |
6 | 31544405450 |
7 | 4662165624 |
oct | 1377442146 |
9 | 460550343 |
10 | 201213030 |
11 | a3641367 |
12 | 57476886 |
13 | 328c0485 |
14 | 1ca1a514 |
15 | 129e8a20 |
hex | bfe4466 |
201213030 has 32 divisors (see below), whose sum is σ = 495965664. Its totient is φ = 52206336.
The previous prime is 201213007. The next prime is 201213041. The reversal of 201213030 is 30312102.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 201212997 and 201213015.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89527 + ... + 91746.
It is an arithmetic number, because the mean of its divisors is an integer number (15498927).
Almost surely, 2201213030 is an apocalyptic number.
201213030 is an abundant number, since it is smaller than the sum of its proper divisors (294752634).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
201213030 is a wasteful number, since it uses less digits than its factorization.
201213030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 181320.
The product of its (nonzero) digits is 36, while the sum is 12.
The square root of 201213030 is about 14184.9578779776. The cubic root of 201213030 is about 585.9834724534.
Adding to 201213030 its reverse (30312102), we get a palindrome (231525132).
The spelling of 201213030 in words is "two hundred one million, two hundred thirteen thousand, thirty".
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