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225243011053031 = 297767000381139
BaseRepresentation
bin110011001101101101111001…
…101010010111010111100111
31002112112000120201101020212212
4303031231321222113113213
5214010340141312144111
62115015113310234035
765305161535065626
oct6315557152272747
91075460521336785
10225243011053031
116585102a736864
12213197307b591b
13988b42b78ca7a
143d89b69b596bd
151b0914aacb98b
hexccdb79a975e7

225243011053031 has 4 divisors (see below), whose sum is σ = 233010011434200. Its totient is φ = 217476010671864.

The previous prime is 225243011053013. The next prime is 225243011053051. The reversal of 225243011053031 is 130350110342522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-225243011053031 is a prime.

It is a super-2 number, since 2×2252430110530312 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225243011053051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3883500190541 + ... + 3883500190598.

It is an arithmetic number, because the mean of its divisors is an integer number (58252502858550).

Almost surely, 2225243011053031 is an apocalyptic number.

225243011053031 is a deficient number, since it is larger than the sum of its proper divisors (7767000381169).

225243011053031 is an equidigital number, since it uses as much as digits as its factorization.

225243011053031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7767000381168.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 225243011053031 its reverse (130350110342522), we get a palindrome (355593121395553).

The spelling of 225243011053031 in words is "two hundred twenty-five trillion, two hundred forty-three billion, eleven million, fifty-three thousand, thirty-one".

Divisors: 1 29 7767000381139 225243011053031