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210312233031133 = 1117188283109249
BaseRepresentation
bin101111110100011100100001…
…111100010001010111011101
31000120122122122010101201010001
4233310130201330101113131
5210031223423123444013
62023144034524014301
762204362122650332
oct5764344174212735
91016578563351101
10210312233031133
1161014a0a798a52
121b707b05391391
13904748775b65c
1439d1248812989
15194aa855e2ddd
hexbf4721f115dd

210312233031133 has 4 divisors (see below), whose sum is σ = 210500516141500. Its totient is φ = 210123949920768.

The previous prime is 210312233031127. The next prime is 210312233031179. The reversal of 210312233031133 is 331130332213012.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 100397935095129 + 109914297936004 = 10019877^2 + 10484002^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-210312233031133 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 (210312233032133) 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, 94141553508 + ... + 94141555741.

It is an arithmetic number, because the mean of its divisors is an integer number (52625129035375).

Almost surely, 2210312233031133 is an apocalyptic number.

It is an amenable number.

210312233031133 is a deficient number, since it is larger than the sum of its proper divisors (188283110367).

210312233031133 is a wasteful number, since it uses less digits than its factorization.

210312233031133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188283110366.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 210312233031133 its reverse (331130332213012), we get a palindrome (541442565244145).

The spelling of 210312233031133 in words is "two hundred ten trillion, three hundred twelve billion, two hundred thirty-three million, thirty-one thousand, one hundred thirty-three".

Divisors: 1 1117 188283109249 210312233031133