Base | Representation |
---|---|
bin | 110101011111101010… |
… | …010001110101100011 |
3 | 12111021001112121010020 |
4 | 311133222101311203 |
5 | 1420114002242400 |
6 | 42215355404523 |
7 | 4102255432050 |
oct | 653752216543 |
9 | 174231477106 |
10 | 57439493475 |
11 | 223a6107671 |
12 | b170453743 |
13 | 5555134380 |
14 | 2acc7b2027 |
15 | 1762a742a0 |
hex | d5fa91d63 |
57439493475 has 96 divisors (see below), whose sum is σ = 117537477120. Its totient is φ = 24102282240.
The previous prime is 57439493473. The next prime is 57439493477.
It is a happy number.
57439493475 is nontrivially palindromic in base 10.
It is an interprime number because it is at equal distance from previous prime (57439493473) and next prime (57439493477).
It is not a de Polignac number, because 57439493475 - 21 = 57439493473 is a prime.
It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (57439493473) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1198167 + ... + 1245183.
It is an arithmetic number, because the mean of its divisors is an integer number (1224348720).
Almost surely, 257439493475 is an apocalyptic number.
57439493475 is an abundant number, since it is smaller than the sum of its proper divisors (60097983645).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57439493475 is a wasteful number, since it uses less digits than its factorization.
57439493475 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47229 (or 47224 counting only the distinct ones).
The product of its digits is 57153600, while the sum is 60.
The spelling of 57439493475 in words is "fifty-seven billion, four hundred thirty-nine million, four hundred ninety-three thousand, four hundred seventy-five".
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