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252031233211 = 3153153396977
BaseRepresentation
bin1110101010111000111…
…0110110110010111011
3220002112111020012020221
43222232032312302323
513112124443430321
6311440452000511
724131366064322
oct3525616666273
9802474205227
10252031233211
119798207388a
1240a18900137
131a9c6b50634
14c2ac4bb0b9
1568512eae41
hex3aae3b6cbb

252031233211 has 8 divisors (see below), whose sum is σ = 265069977984. Its totient is φ = 239299282560.

The previous prime is 252031233089. The next prime is 252031233239. The reversal of 252031233211 is 112332130252.

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 252031233211 - 217 = 252031102139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252031233281) 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, 76696846 + ... + 76700131.

It is an arithmetic number, because the mean of its divisors is an integer number (33133747248).

Almost surely, 2252031233211 is an apocalyptic number.

252031233211 is a deficient number, since it is larger than the sum of its proper divisors (13038744773).

252031233211 is a wasteful number, since it uses less digits than its factorization.

252031233211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153397061.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 252031233211 its reverse (112332130252), we get a palindrome (364363363463).

The spelling of 252031233211 in words is "two hundred fifty-two billion, thirty-one million, two hundred thirty-three thousand, two hundred eleven".

Divisors: 1 31 53 1643 153396977 4755306287 8130039781 252031233211