Base | Representation |
---|---|
bin | 111100100110011001… |
… | …0000110100001111010 |
3 | 110102220111010210210001 |
4 | 1321030302012201322 |
5 | 4113010112034432 |
6 | 135441220143214 |
7 | 12254631062200 |
oct | 1711462064172 |
9 | 412814123701 |
10 | 130137221242 |
11 | 50211083516 |
12 | 2127a837b0a |
13 | c36c44b132 |
14 | 64277c9070 |
15 | 35b9e1b9e7 |
hex | 1e4cc8687a |
130137221242 has 48 divisors (see below), whose sum is σ = 239948732160. Its totient is φ = 52672812192.
The previous prime is 130137221233. The next prime is 130137221243. The reversal of 130137221242 is 242122731031.
It is a self number, because there is not a number n which added to its sum of digits gives 130137221242.
It is not an unprimeable number, because it can be changed into a prime (130137221243) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 187353 + ... + 543484.
It is an arithmetic number, because the mean of its divisors is an integer number (4998931920).
Almost surely, 2130137221242 is an apocalyptic number.
130137221242 is a deficient number, since it is larger than the sum of its proper divisors (109811510918).
130137221242 is a wasteful number, since it uses less digits than its factorization.
130137221242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 730955 (or 730948 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 28.
Adding to 130137221242 its reverse (242122731031), we get a palindrome (372259952273).
The spelling of 130137221242 in words is "one hundred thirty billion, one hundred thirty-seven million, two hundred twenty-one thousand, two hundred forty-two".
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