Base | Representation |
---|---|
bin | 1011110100010110110… |
… | …1100011101000001111 |
3 | 201102001201110201220112 |
4 | 2331011231203220033 |
5 | 11311302424030411 |
6 | 233134434310235 |
7 | 20445230210330 |
oct | 2750555435017 |
9 | 642051421815 |
10 | 203033033231 |
11 | 79118943a36 |
12 | 3342342837b |
13 | 161b87cb1b2 |
14 | 9b80c46287 |
15 | 5434890b8b |
hex | 2f45b63a0f |
203033033231 has 16 divisors (see below), whose sum is σ = 232357627968. Its totient is φ = 173788588800.
The previous prime is 203033033201. The next prime is 203033033239. The reversal of 203033033231 is 132330330302.
It is a cyclic number.
It is not a de Polignac number, because 203033033231 - 26 = 203033033167 is a prime.
It is a super-2 number, since 2×2030330332312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 203033033197 and 203033033206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (203033033239) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16940261 + ... + 16952241.
It is an arithmetic number, because the mean of its divisors is an integer number (14522351748).
Almost surely, 2203033033231 is an apocalyptic number.
203033033231 is a deficient number, since it is larger than the sum of its proper divisors (29324594737).
203033033231 is a wasteful number, since it uses less digits than its factorization.
203033033231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15122.
The product of its (nonzero) digits is 2916, while the sum is 23.
Adding to 203033033231 its reverse (132330330302), we get a palindrome (335363363533).
The spelling of 203033033231 in words is "two hundred three billion, thirty-three million, thirty-three thousand, two hundred thirty-one".
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