Base | Representation |
---|---|
bin | 111100101000111100… |
… | …1110010001001101001 |
3 | 110110010110202222002121 |
4 | 1321101321302021221 |
5 | 4113144104333001 |
6 | 135453525231241 |
7 | 12260023156621 |
oct | 1712171621151 |
9 | 413113688077 |
10 | 130223121001 |
11 | 50255614256 |
12 | 212a3562521 |
13 | c3841959ac |
14 | 6434d89881 |
15 | 35c27386a1 |
hex | 1e51e72269 |
130223121001 has 4 divisors (see below), whose sum is σ = 130226790400. Its totient is φ = 130219451604.
The previous prime is 130223120999. The next prime is 130223121053. The reversal of 130223121001 is 100121322031.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 100121322031 = 131 ⋅764284901.
It is a cyclic number.
It is not a de Polignac number, because 130223121001 - 21 = 130223120999 is a prime.
It is a super-2 number, since 2×1302231210012 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (130223121401) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1780941 + ... + 1852618.
It is an arithmetic number, because the mean of its divisors is an integer number (32556697600).
Almost surely, 2130223121001 is an apocalyptic number.
It is an amenable number.
130223121001 is a deficient number, since it is larger than the sum of its proper divisors (3669399).
130223121001 is an equidigital number, since it uses as much as digits as its factorization.
130223121001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3669398.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 130223121001 its reverse (100121322031), we get a palindrome (230344443032).
The spelling of 130223121001 in words is "one hundred thirty billion, two hundred twenty-three million, one hundred twenty-one thousand, one".
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