Base | Representation |
---|---|
bin | 111100110101011110… |
… | …0010011001010100011 |
3 | 110111012202020202010022 |
4 | 1321222330103022203 |
5 | 4120024130222130 |
6 | 140003333224055 |
7 | 12303313653560 |
oct | 1715274231243 |
9 | 414182222108 |
10 | 130643210915 |
11 | 50450760aa8 |
12 | 213a019202b |
13 | c42021c5c9 |
14 | 6474a9d867 |
15 | 35e95697e5 |
hex | 1e6af132a3 |
130643210915 has 32 divisors (see below), whose sum is σ = 187374643200. Its totient is φ = 85497882624.
The previous prime is 130643210909. The next prime is 130643210917. The reversal of 130643210915 is 519012346031.
It is a Cunningham number, because it is equal to 3614462-1.
It is not a de Polignac number, because 130643210915 - 222 = 130639016611 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is not an unprimeable number, because it can be changed into a prime (130643210917) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 180722 + ... + 542168.
It is an arithmetic number, because the mean of its divisors is an integer number (5855457600).
Almost surely, 2130643210915 is an apocalyptic number.
130643210915 is a deficient number, since it is larger than the sum of its proper divisors (56731432285).
130643210915 is a wasteful number, since it uses less digits than its factorization.
130643210915 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 361931.
The product of its (nonzero) digits is 19440, while the sum is 35.
Adding to 130643210915 its reverse (519012346031), we get a palindrome (649655556946).
The spelling of 130643210915 in words is "one hundred thirty billion, six hundred forty-three million, two hundred ten thousand, nine hundred fifteen".
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