Base | Representation |
---|---|
bin | 10101100111101110011… |
… | …00100100101001010000 |
3 | 2122000111200212120102012 |
4 | 22303313030210221100 |
5 | 44132410200034323 |
6 | 1325135231442052 |
7 | 104446204531064 |
oct | 12636714445120 |
9 | 2560450776365 |
10 | 742881643088 |
11 | 267066358852 |
12 | bbb85686328 |
13 | 55090533950 |
14 | 27d544a9aa4 |
15 | 144cda54678 |
hex | acf7324a50 |
742881643088 has 20 divisors (see below), whose sum is σ = 1550051121108. Its totient is φ = 342868450560.
The previous prime is 742881643087. The next prime is 742881643109. The reversal of 742881643088 is 880346188247.
It can be written as a sum of positive squares in 2 ways, for example, as 221701605904 + 521180037184 = 470852^2 + 721928^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (742881643081) by changing a digit.
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, 1785772973 + ... + 1785773388.
Almost surely, 2742881643088 is an apocalyptic number.
It is an amenable number.
742881643088 is an abundant number, since it is smaller than the sum of its proper divisors (807169478020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
742881643088 is a wasteful number, since it uses less digits than its factorization.
742881643088 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3571546382 (or 3571546376 counting only the distinct ones).
The product of its (nonzero) digits is 16515072, while the sum is 59.
The spelling of 742881643088 in words is "seven hundred forty-two billion, eight hundred eighty-one million, six hundred forty-three thousand, eighty-eight".
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