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203210211133 = 23411759122509
BaseRepresentation
bin1011110101000001000…
…1011011111100111101
3201102112001212022022001
42331100101123330331
511312133303224013
6233204204022301
720452511203066
oct2752021337475
9642461768261
10203210211133
11791a9959356
1233472831991
13162164246a7
149b9a5a756d
1554451dcddd
hex2f5045bf3d

203210211133 has 16 divisors (see below), whose sum is σ = 217342540800. Its totient is φ = 189524776320.

The previous prime is 203210211107. The next prime is 203210211143. The reversal of 203210211133 is 331112012302.

It is not a de Polignac number, because 203210211133 - 225 = 203176656701 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 203210211133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203210211103) 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, 1597483 + ... + 1719991.

It is an arithmetic number, because the mean of its divisors is an integer number (13583908800).

Almost surely, 2203210211133 is an apocalyptic number.

203210211133 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

203210211133 is a deficient number, since it is larger than the sum of its proper divisors (14132329667).

203210211133 is a wasteful number, since it uses less digits than its factorization.

203210211133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124332.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 203210211133 its reverse (331112012302), we get a palindrome (534322223435).

The spelling of 203210211133 in words is "two hundred three billion, two hundred ten million, two hundred eleven thousand, one hundred thirty-three".

Divisors: 1 23 41 943 1759 40457 72119 122509 1658737 2817707 5022869 115525987 215493331 4956346613 8835226571 203210211133