Base | Representation |
---|---|
bin | 10101011101010111… |
… | …010001111000001001 |
3 | 2012110210010020221102 |
4 | 111131113101320021 |
5 | 334142023020410 |
6 | 14330205151145 |
7 | 1443661065551 |
oct | 253527217011 |
9 | 65423106842 |
10 | 23041220105 |
11 | 9854193772 |
12 | 457055b4b5 |
13 | 2232792167 |
14 | 118817c161 |
15 | 8ecc532a5 |
hex | 55d5d1e09 |
23041220105 has 16 divisors (see below), whose sum is σ = 29171049600. Its totient is φ = 17423009280.
The previous prime is 23041220093. The next prime is 23041220131. The reversal of 23041220105 is 50102214032.
It is not a de Polignac number, because 23041220105 - 210 = 23041219081 is a prime.
It is a super-2 number, since 2×230412201052 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234536 + ... + 317945.
It is an arithmetic number, because the mean of its divisors is an integer number (1823190600).
Almost surely, 223041220105 is an apocalyptic number.
It is an amenable number.
23041220105 is a deficient number, since it is larger than the sum of its proper divisors (6129829495).
23041220105 is a wasteful number, since it uses less digits than its factorization.
23041220105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 552944.
The product of its (nonzero) digits is 480, while the sum is 20.
Adding to 23041220105 its reverse (50102214032), we get a palindrome (73143434137).
The spelling of 23041220105 in words is "twenty-three billion, forty-one million, two hundred twenty thousand, one hundred five".
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