Base | Representation |
---|---|
bin | 1100001011110… |
… | …0010101111101 |
3 | 10120011022021110 |
4 | 3002330111331 |
5 | 101040244401 |
6 | 5023152233 |
7 | 1160240430 |
oct | 302742575 |
9 | 116138243 |
10 | 51103101 |
11 | 26934575 |
12 | 15145679 |
13 | a78352a |
14 | 6b03817 |
15 | 47469d6 |
hex | 30bc57d |
51103101 has 16 divisors (see below), whose sum is σ = 77986304. Its totient is φ = 29158704.
The previous prime is 51103069. The next prime is 51103109. The reversal of 51103101 is 10130115.
It is not a de Polignac number, because 51103101 - 25 = 51103069 is a prime.
It is a super-2 number, since 2×511031012 = 5223053863632402, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51103109) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17706 + ... + 20388.
It is an arithmetic number, because the mean of its divisors is an integer number (4874144).
Almost surely, 251103101 is an apocalyptic number.
It is an amenable number.
51103101 is a deficient number, since it is larger than the sum of its proper divisors (26883203).
51103101 is a wasteful number, since it uses less digits than its factorization.
51103101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3600.
The product of its (nonzero) digits is 15, while the sum is 12.
The square root of 51103101 is about 7148.6432978573. The cubic root of 51103101 is about 371.0927059855.
Adding to 51103101 its reverse (10130115), we get a palindrome (61233216).
The spelling of 51103101 in words is "fifty-one million, one hundred three thousand, one hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •