Base | Representation |
---|---|
bin | 111100100101111100… |
… | …0000101001001010101 |
3 | 110102212102112001112221 |
4 | 1321023320011021111 |
5 | 4112442213324341 |
6 | 135435514142341 |
7 | 12254354563126 |
oct | 1711370051125 |
9 | 412772461487 |
10 | 130122011221 |
11 | 50203534a54 |
12 | 212757219b1 |
13 | c369254017 |
14 | 642578a04d |
15 | 35b8914ed1 |
hex | 1e4be05255 |
130122011221 has 8 divisors (see below), whose sum is σ = 130674014240. Its totient is φ = 129571095312.
The previous prime is 130122011209. The next prime is 130122011249. The reversal of 130122011221 is 122110221031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 130122011221 - 217 = 130121880149 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 130122011195 and 130122011204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130132011221) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31431 + ... + 511108.
It is an arithmetic number, because the mean of its divisors is an integer number (16334251780).
Almost surely, 2130122011221 is an apocalyptic number.
It is an amenable number.
130122011221 is a deficient number, since it is larger than the sum of its proper divisors (552003019).
130122011221 is an equidigital number, since it uses as much as digits as its factorization.
130122011221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 543555.
The product of its (nonzero) digits is 48, while the sum is 16.
Adding to 130122011221 its reverse (122110221031), we get a palindrome (252232232252).
The spelling of 130122011221 in words is "one hundred thirty billion, one hundred twenty-two million, eleven thousand, two hundred twenty-one".
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