Base | Representation |
---|---|
bin | 1011110101000001110… |
… | …1000000000000100001 |
3 | 201102112021120022102020 |
4 | 2331100131000000201 |
5 | 11312140042224101 |
6 | 233204353012053 |
7 | 20452546026441 |
oct | 2752035000041 |
9 | 642467508366 |
10 | 203213242401 |
11 | 79200639834 |
12 | 33473854029 |
13 | 16216c46340 |
14 | 9b9ab56121 |
15 | 54455db136 |
hex | 2f50740021 |
203213242401 has 16 divisors (see below), whose sum is σ = 294682422720. Its totient is φ = 123816139200.
The previous prime is 203213242399. The next prime is 203213242411. The reversal of 203213242401 is 104242312302.
It is a happy number.
It is not a de Polignac number, because 203213242401 - 21 = 203213242399 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (203213242411) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25791091 + ... + 25798968.
It is an arithmetic number, because the mean of its divisors is an integer number (18417651420).
Almost surely, 2203213242401 is an apocalyptic number.
It is an amenable number.
203213242401 is a deficient number, since it is larger than the sum of its proper divisors (91469180319).
203213242401 is a wasteful number, since it uses less digits than its factorization.
203213242401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51590176.
The product of its (nonzero) digits is 2304, while the sum is 24.
Adding to 203213242401 its reverse (104242312302), we get a palindrome (307455554703).
The spelling of 203213242401 in words is "two hundred three billion, two hundred thirteen million, two hundred forty-two thousand, four hundred one".
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