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23112221110113 = 3379103069197221
BaseRepresentation
bin1010100000101001110111…
…01110101010111101100001
310000211111200102112211202110
411100110323232222331201
511012132312101010423
6121053335141305533
74603542246000102
oct520247356527541
9100744612484673
1023112221110113
117400924311813
1227133781052a9
13cb861c523975
1459c8cd30c3a9
152a13066ae193
hex15053bbaaf61

23112221110113 has 16 divisors (see below), whose sum is σ = 30898060740800. Its totient is φ = 15367265645760.

The previous prime is 23112221110091. The next prime is 23112221110201. The reversal of 23112221110113 is 31101112221132.

It is not a de Polignac number, because 23112221110113 - 232 = 23107926142817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23112221110113.

It is not an unprimeable number, because it can be changed into a prime (23112221110313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117090843 + ... + 117288063.

It is an arithmetic number, because the mean of its divisors is an integer number (1931128796300).

Almost surely, 223112221110113 is an apocalyptic number.

It is an amenable number.

23112221110113 is a deficient number, since it is larger than the sum of its proper divisors (7785839630687).

23112221110113 is a wasteful number, since it uses less digits than its factorization.

23112221110113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300672.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 23112221110113 its reverse (31101112221132), we get a palindrome (54213333331245).

The spelling of 23112221110113 in words is "twenty-three trillion, one hundred twelve billion, two hundred twenty-one million, one hundred ten thousand, one hundred thirteen".

Divisors: 1 3 379 1137 103069 197221 309207 591663 39063151 74746759 117189453 224240277 20327371249 60982113747 7704073703371 23112221110113