Base | Representation |
---|---|
bin | 110101011110110110… |
… | …011001000110111001 |
3 | 12111020002221120002100 |
4 | 311132312121012321 |
5 | 1420102012014034 |
6 | 42214152054013 |
7 | 4102032011661 |
oct | 653666310671 |
9 | 174202846070 |
10 | 57425891769 |
11 | 22399467494 |
12 | b167994309 |
13 | 555238131c |
14 | 2acaa711a1 |
15 | 1761789099 |
hex | d5ed991b9 |
57425891769 has 45 divisors (see below), whose sum is σ = 87296984229. Its totient is φ = 36376896600.
The previous prime is 57425891737. The next prime is 57425891779. The reversal of 57425891769 is 96719852475.
The square root of 57425891769 is 239637.
It is a perfect power (a square), and thus also a powerful number.
57425891769 is a `hidden beast` number, since 5 + 7 + 42 + 589 + 1 + 7 + 6 + 9 = 666.
It is not a de Polignac number, because 57425891769 - 25 = 57425891737 is a prime.
It is a super-2 number, since 2×574258917692 (a number of 22 digits) contains 22 as substring.
Its product of digits (38102400) is a multiple of the sum of its prime factors (400).
It is not an unprimeable number, because it can be changed into a prime (57425891779) by changing a digit.
It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 380303844 + ... + 380303994.
Almost surely, 257425891769 is an apocalyptic number.
57425891769 is the 239637-th square number.
57425891769 is the 119819-th centered octagonal number.
It is an amenable number.
57425891769 is a deficient number, since it is larger than the sum of its proper divisors (29871092460).
57425891769 is an frugal number, since it uses more digits than its factorization.
57425891769 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 400 (or 177 counting only the distinct ones).
The product of its digits is 38102400, while the sum is 63.
The spelling of 57425891769 in words is "fifty-seven billion, four hundred twenty-five million, eight hundred ninety-one thousand, seven hundred sixty-nine".
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