Base | Representation |
---|---|
bin | 111100100010010111… |
… | …1000111010001011011 |
3 | 110102120002010001001121 |
4 | 1321010233013101123 |
5 | 4112221032020443 |
6 | 135415554430111 |
7 | 12251401432006 |
oct | 1710457072133 |
9 | 412502101047 |
10 | 130002220123 |
11 | 50151956146 |
12 | 21241592337 |
13 | c34a4a1209 |
14 | 64138c653d |
15 | 35ad1514ed |
hex | 1e44bc745b |
130002220123 has 4 divisors (see below), whose sum is σ = 137649409560. Its totient is φ = 122355030688.
The previous prime is 130002220099. The next prime is 130002220181. The reversal of 130002220123 is 321022200031.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321022200031 = 13 ⋅24694015387.
It is a cyclic number.
It is not a de Polignac number, because 130002220123 - 213 = 130002211931 is a prime.
It is a super-2 number, since 2×1300022201232 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 130002220097 and 130002220106.
It is not an unprimeable number, because it can be changed into a prime (130002223123) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3823594693 + ... + 3823594726.
It is an arithmetic number, because the mean of its divisors is an integer number (34412352390).
Almost surely, 2130002220123 is an apocalyptic number.
130002220123 is a deficient number, since it is larger than the sum of its proper divisors (7647189437).
130002220123 is an equidigital number, since it uses as much as digits as its factorization.
130002220123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7647189436.
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 130002220123 its reverse (321022200031), we get a palindrome (451024420154).
The spelling of 130002220123 in words is "one hundred thirty billion, two million, two hundred twenty thousand, one hundred twenty-three".
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