Search a number
-
+
203031333023 = 2511997940487
BaseRepresentation
bin1011110100010110011…
…1000100100010011111
3201102001121021100122212
42331011213010202133
511311302010124043
6233134334031035
720445206566421
oct2750547044237
9642047240585
10203031333023
1179117992602
123342294847b
13161b835435c
149b80922811
155434657018
hex2f459c489f

203031333023 has 8 divisors (see below), whose sum is σ = 203855460480. Its totient is φ = 202207327000.

The previous prime is 203031333019. The next prime is 203031333031. The reversal of 203031333023 is 320333130302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203031333023 - 22 = 203031333019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 203031333023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203031333083) 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, 4994486 + ... + 5034972.

It is an arithmetic number, because the mean of its divisors is an integer number (25481932560).

Almost surely, 2203031333023 is an apocalyptic number.

203031333023 is a deficient number, since it is larger than the sum of its proper divisors (824127457).

203031333023 is a wasteful number, since it uses less digits than its factorization.

203031333023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60717.

The product of its (nonzero) digits is 2916, while the sum is 23.

Adding to 203031333023 its reverse (320333130302), we get a palindrome (523364463325).

The spelling of 203031333023 in words is "two hundred three billion, thirty-one million, three hundred thirty-three thousand, twenty-three".

Divisors: 1 251 19979 40487 5014729 10162237 808889773 203031333023