Base | Representation |
---|---|
bin | 110101011101011011… |
… | …100101100001111111 |
3 | 12111011110011011211122 |
4 | 311131123211201333 |
5 | 1420024413300201 |
6 | 42211541541155 |
7 | 4101322456634 |
oct | 653533454177 |
9 | 174143134748 |
10 | 57402087551 |
11 | 22386a88a86 |
12 | b15ba147bb |
13 | 554a4684a3 |
14 | 2ac783618b |
15 | 175e635e1b |
hex | d5d6e587f |
57402087551 has 4 divisors (see below), whose sum is σ = 59897830512. Its totient is φ = 54906344592.
The previous prime is 57402087529. The next prime is 57402087571. The reversal of 57402087551 is 15578020475.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 57402087551 - 234 = 40222218367 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 (57402087521) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1247871446 + ... + 1247871491.
It is an arithmetic number, because the mean of its divisors is an integer number (14974457628).
Almost surely, 257402087551 is an apocalyptic number.
57402087551 is a deficient number, since it is larger than the sum of its proper divisors (2495742961).
57402087551 is a wasteful number, since it uses less digits than its factorization.
57402087551 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2495742960.
The product of its (nonzero) digits is 392000, while the sum is 44.
The spelling of 57402087551 in words is "fifty-seven billion, four hundred two million, eighty-seven thousand, five hundred fifty-one".
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