Base | Representation |
---|---|
bin | 1011110100111111011… |
… | …0000101111100111011 |
3 | 201102111120101010122111 |
4 | 2331033312011330323 |
5 | 11312124434340011 |
6 | 233203350233151 |
7 | 20452363240114 |
oct | 2751766057473 |
9 | 642446333574 |
10 | 203203043131 |
11 | 791a5902990 |
12 | 334703557b7 |
13 | 16214ab4b7a |
14 | 9b9965d20b |
15 | 5444774121 |
hex | 2f4fd85f3b |
203203043131 has 8 divisors (see below), whose sum is σ = 221771996928. Its totient is φ = 184650081000.
The previous prime is 203203043129. The next prime is 203203043167. The reversal of 203203043131 is 131340302302.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 203203043131 - 21 = 203203043129 is a prime.
It is a super-2 number, since 2×2032030431312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (203203041131) 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, 3971335 + ... + 4022176.
It is an arithmetic number, because the mean of its divisors is an integer number (27721499616).
Almost surely, 2203203043131 is an apocalyptic number.
203203043131 is a deficient number, since it is larger than the sum of its proper divisors (18568953797).
203203043131 is a wasteful number, since it uses less digits than its factorization.
203203043131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7995833.
The product of its (nonzero) digits is 1296, while the sum is 22.
Adding to 203203043131 its reverse (131340302302), we get a palindrome (334543345433).
The spelling of 203203043131 in words is "two hundred three billion, two hundred three million, forty-three thousand, one hundred thirty-one".
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