Base | Representation |
---|---|
bin | 10111111101110… |
… | …10010111101101 |
3 | 112000021221221101 |
4 | 23332322113231 |
5 | 402431311024 |
6 | 31541003101 |
7 | 4660552333 |
oct | 1376722755 |
9 | 460257841 |
10 | 201041389 |
11 | a353440a |
12 | 573b3491 |
13 | 32860303 |
14 | 1c9b3b53 |
15 | 129b2c44 |
hex | bfba5ed |
201041389 has 2 divisors, whose sum is σ = 201041390. Its totient is φ = 201041388.
The previous prime is 201041353. The next prime is 201041431. The reversal of 201041389 is 983140102.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 159012100 + 42029289 = 12610^2 + 6483^2 .
It is a cyclic number.
It is not a de Polignac number, because 201041389 - 29 = 201040877 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (201041329) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100520694 + 100520695.
It is an arithmetic number, because the mean of its divisors is an integer number (100520695).
Almost surely, 2201041389 is an apocalyptic number.
It is an amenable number.
201041389 is a deficient number, since it is larger than the sum of its proper divisors (1).
201041389 is an equidigital number, since it uses as much as digits as its factorization.
201041389 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1728, while the sum is 28.
The square root of 201041389 is about 14178.9064811078. The cubic root of 201041389 is about 585.8168043178.
The spelling of 201041389 in words is "two hundred one million, forty-one thousand, three hundred eighty-nine".
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