Base | Representation |
---|---|
bin | 1011101100111001010… |
… | …1011000101011100101 |
3 | 201012220010210200111202 |
4 | 2323032111120223211 |
5 | 11243202213130404 |
6 | 232204011012245 |
7 | 20344500401354 |
oct | 2731625305345 |
9 | 635803720452 |
10 | 201030208229 |
11 | 78290347964 |
12 | 32b6473a085 |
13 | 15c598a5046 |
14 | 9a30c5399b |
15 | 5368b2121e |
hex | 2ece558ae5 |
201030208229 has 4 divisors (see below), whose sum is σ = 201031384620. Its totient is φ = 201029031840.
The previous prime is 201030208217. The next prime is 201030208279. The reversal of 201030208229 is 922802030102.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 922802030102 = 2 ⋅461401015051.
It can be written as a sum of positive squares in 2 ways, for example, as 52041928129 + 148988280100 = 228127^2 + 385990^2 .
It is a cyclic number.
It is not a de Polignac number, because 201030208229 - 216 = 201030142693 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 (201030208279) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276974 + ... + 691935.
It is an arithmetic number, because the mean of its divisors is an integer number (50257846155).
Almost surely, 2201030208229 is an apocalyptic number.
It is an amenable number.
201030208229 is a deficient number, since it is larger than the sum of its proper divisors (1176391).
201030208229 is an equidigital number, since it uses as much as digits as its factorization.
201030208229 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1176390.
The product of its (nonzero) digits is 3456, while the sum is 29.
The spelling of 201030208229 in words is "two hundred one billion, thirty million, two hundred eight thousand, two hundred twenty-nine".
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