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203212231023 = 398116904231
BaseRepresentation
bin1011110101000001100…
…1001001000101101111
3201102112012122221001210
42331100121021011233
511312134312343043
6233204315205503
720452534315014
oct2752031110557
9642465587053
10203212231023
117920000898a
1233473446893
1316216980ba9
149b9a97170b
15544548b633
hex2f5064916f

203212231023 has 8 divisors (see below), whose sum is σ = 270977297536. Its totient is φ = 135460992600.

The previous prime is 203212230997. The next prime is 203212231043. The reversal of 203212231023 is 320132212302.

It is a happy number.

203212231023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 203212231023 - 212 = 203212226927 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 (203212231043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3422683 + ... + 3481548.

It is an arithmetic number, because the mean of its divisors is an integer number (33872162192).

Almost surely, 2203212231023 is an apocalyptic number.

203212231023 is a deficient number, since it is larger than the sum of its proper divisors (67765066513).

203212231023 is an equidigital number, since it uses as much as digits as its factorization.

203212231023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6914045.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 203212231023 its reverse (320132212302), we get a palindrome (523344443325).

The spelling of 203212231023 in words is "two hundred three billion, two hundred twelve million, two hundred thirty-one thousand, twenty-three".

Divisors: 1 3 9811 29433 6904231 20712693 67737410341 203212231023