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23041220105 = 519439552481
BaseRepresentation
bin10101011101010111…
…010001111000001001
32012110210010020221102
4111131113101320021
5334142023020410
614330205151145
71443661065551
oct253527217011
965423106842
1023041220105
119854193772
12457055b4b5
132232792167
14118817c161
158ecc532a5
hex55d5d1e09

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".

Divisors: 1 5 19 95 439 2195 8341 41705 552481 2762405 10497139 52485695 242539159 1212695795 4608244021 23041220105