Base | Representation |
---|---|
bin | 11101100110111110001001… |
… | …100010111111111111001001 |
3 | 122002002001020201212122121101 |
4 | 131212332021202333333021 |
5 | 114032021432300213001 |
6 | 1140542521152341401 |
7 | 36300121132051126 |
oct | 3546761142777711 |
9 | 562061221778541 |
10 | 130221421101001 |
11 | 3854665a38968a |
12 | 1273194a544861 |
13 | 5787a9a808049 |
14 | 2422a711ab74d |
15 | 100c5583eaa01 |
hex | 766f898bffc9 |
130221421101001 has 8 divisors (see below), whose sum is σ = 134711994760200. Its totient is φ = 125730859430400.
The previous prime is 130221421100963. The next prime is 130221421101067. The reversal of 130221421101001 is 100101124122031.
It can be written as a sum of positive squares in 4 ways, for example, as 35270058099600 + 94951363001401 = 5938860^2 + 9744299^2 .
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 130221421101001 - 211 = 130221421098953 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 130221421101001.
It is not an unprimeable number, because it can be changed into a prime (130221421108001) 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, 22892095 + ... + 28008763.
It is an arithmetic number, because the mean of its divisors is an integer number (16838999345025).
Almost surely, 2130221421101001 is an apocalyptic number.
It is an amenable number.
130221421101001 is a deficient number, since it is larger than the sum of its proper divisors (4490573659199).
130221421101001 is an equidigital number, since it uses as much as digits as its factorization.
130221421101001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5994299.
The product of its (nonzero) digits is 96, while the sum is 19.
Adding to 130221421101001 its reverse (100101124122031), we get a palindrome (230322545223032).
The spelling of 130221421101001 in words is "one hundred thirty trillion, two hundred twenty-one billion, four hundred twenty-one million, one hundred one thousand, one".
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