Base | Representation |
---|---|
bin | 1111100000000… |
… | …01111000010010 |
3 | 100001200021011111 |
4 | 13300001320102 |
5 | 231241443442 |
6 | 20523003534 |
7 | 3136150324 |
oct | 760017022 |
9 | 301607144 |
10 | 130031122 |
11 | 67443341 |
12 | 376695aa |
13 | 20c299c0 |
14 | 133ab614 |
15 | b637b17 |
hex | 7c01e12 |
130031122 has 8 divisors (see below), whose sum is σ = 210050316. Its totient is φ = 60014352.
The previous prime is 130031107. The next prime is 130031123. The reversal of 130031122 is 221130031.
It can be written as a sum of positive squares in 2 ways, for example, as 128845201 + 1185921 = 11351^2 + 1089^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is not an unprimeable number, because it can be changed into a prime (130031123) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2500573 + ... + 2500624.
Almost surely, 2130031122 is an apocalyptic number.
130031122 is a deficient number, since it is larger than the sum of its proper divisors (80019194).
130031122 is a wasteful number, since it uses less digits than its factorization.
130031122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5001212.
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 130031122 is about 11403.1189593023. The cubic root of 130031122 is about 506.6201237448.
Adding to 130031122 its reverse (221130031), we get a palindrome (351161153).
The spelling of 130031122 in words is "one hundred thirty million, thirty-one thousand, one hundred twenty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •