Search a number
-
+
203012103211210 = 2520301210321121
BaseRepresentation
bin101110001010001101110000…
…010011000000100011001010
3222121210202201112020011112101
4232022031300103000203022
5203102122241410224320
61555434250034504014
760522066112213636
oct5612156023004312
9877722645204471
10203012103211210
115975aa49825817
121a92913273500a
138937c6144c907
14381bba4123dc6
151870c2613ec0a
hexb8a3704c08ca

203012103211210 has 8 divisors (see below), whose sum is σ = 365421785780196. Its totient is φ = 81204841284480.

The previous prime is 203012103211187. The next prime is 203012103211249. The reversal of 203012103211210 is 12112301210302.

It can be written as a sum of positive squares in 2 ways, for example, as 202816078305201 + 196024906009 = 14241351^2 + 442747^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10150605160551 + ... + 10150605160570.

Almost surely, 2203012103211210 is an apocalyptic number.

203012103211210 is a deficient number, since it is larger than the sum of its proper divisors (162409682568986).

203012103211210 is a wasteful number, since it uses less digits than its factorization.

203012103211210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20301210321128.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 203012103211210 its reverse (12112301210302), we get a palindrome (215124404421512).

The spelling of 203012103211210 in words is "two hundred three trillion, twelve billion, one hundred three million, two hundred eleven thousand, two hundred ten".

Divisors: 1 2 5 10 20301210321121 40602420642242 101506051605605 203012103211210