Base | Representation |
---|---|
bin | 110100010100010111… |
… | …100001100111100101 |
3 | 12101000000121000110220 |
4 | 310110113201213211 |
5 | 1410022112124211 |
6 | 41450152434553 |
7 | 4026046361001 |
oct | 642427414745 |
9 | 171000530426 |
10 | 56176286181 |
11 | 2190805a2a4 |
12 | aa793a8a59 |
13 | 53b350c132 |
14 | 2a0cb0b701 |
15 | 16dbc00806 |
hex | d145e19e5 |
56176286181 has 4 divisors (see below), whose sum is σ = 74901714912. Its totient is φ = 37450857452.
The previous prime is 56176286171. The next prime is 56176286183. The reversal of 56176286181 is 18168267165.
56176286181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 56176286181 - 210 = 56176285157 is a prime.
It is a super-2 number, since 2×561762861812 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (56176286183) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9362714361 + ... + 9362714366.
It is an arithmetic number, because the mean of its divisors is an integer number (18725428728).
Almost surely, 256176286181 is an apocalyptic number.
It is an amenable number.
56176286181 is a deficient number, since it is larger than the sum of its proper divisors (18725428731).
56176286181 is a wasteful number, since it uses less digits than its factorization.
56176286181 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18725428730.
The product of its digits is 967680, while the sum is 51.
The spelling of 56176286181 in words is "fifty-six billion, one hundred seventy-six million, two hundred eighty-six thousand, one hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •