Base | Representation |
---|---|
bin | 1011110100101110011… |
… | …1001010100100111101 |
3 | 201102022121201211200011 |
4 | 2331023213022210331 |
5 | 11312003244133203 |
6 | 233152332103221 |
7 | 20450541455503 |
oct | 2751347124475 |
9 | 642277654604 |
10 | 203132021053 |
11 | 79169803a55 |
12 | 33450604b11 |
13 | 16203179080 |
14 | 9b90052673 |
15 | 543d3e576d |
hex | 2f4b9ca93d |
203132021053 has 8 divisors (see below), whose sum is σ = 220150923608. Its totient is φ = 186312170304.
The previous prime is 203132020961. The next prime is 203132021077. The reversal of 203132021053 is 350120231302.
It can be written as a sum of positive squares in 4 ways, for example, as 3740300964 + 199391720089 = 61158^2 + 446533^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 203132021053 - 225 = 203098466621 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 (203132021093) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49760826 + ... + 49764907.
It is an arithmetic number, because the mean of its divisors is an integer number (27518865451).
Almost surely, 2203132021053 is an apocalyptic number.
It is an amenable number.
203132021053 is a deficient number, since it is larger than the sum of its proper divisors (17018902555).
203132021053 is a wasteful number, since it uses less digits than its factorization.
203132021053 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 99525903.
The product of its (nonzero) digits is 1080, while the sum is 22.
Adding to 203132021053 its reverse (350120231302), we get a palindrome (553252252355).
The spelling of 203132021053 in words is "two hundred three billion, one hundred thirty-two million, twenty-one thousand, fifty-three".
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