Base | Representation |
---|---|
bin | 110101110100110101… |
… | …001101110000001101 |
3 | 12112011210220000222221 |
4 | 311310311031300031 |
5 | 1421330414304434 |
6 | 42314524335341 |
7 | 4114130455531 |
oct | 656465156015 |
9 | 175153800887 |
10 | 57794681869 |
11 | 225686559a1 |
12 | b24b3a4551 |
13 | 55b08b6012 |
14 | 2b23a2dbc1 |
15 | 1783d352b4 |
hex | d74d4dc0d |
57794681869 has 4 divisors (see below), whose sum is σ = 57805182144. Its totient is φ = 57784181596.
The previous prime is 57794681849. The next prime is 57794681881. The reversal of 57794681869 is 96818649775.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 57794681869 - 25 = 57794681837 is a prime.
It is a super-2 number, since 2×577946818692 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 57794681798 and 57794681807.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57794681849) 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, 5241877 + ... + 5252890.
It is an arithmetic number, because the mean of its divisors is an integer number (14451295536).
Almost surely, 257794681869 is an apocalyptic number.
It is an amenable number.
57794681869 is a deficient number, since it is larger than the sum of its proper divisors (10500275).
57794681869 is a wasteful number, since it uses less digits than its factorization.
57794681869 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10500274.
The product of its digits is 182891520, while the sum is 70.
The spelling of 57794681869 in words is "fifty-seven billion, seven hundred ninety-four million, six hundred eighty-one thousand, eight hundred sixty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •