Search a number
-
+
20010111323110 = 2510559811894931
BaseRepresentation
bin1001000110010111101111…
…00100111100101111100110
32121211221121001200221101021
410203023313210330233212
510110321201444314420
6110320303534521354
74133453132605666
oct443136744745746
977757531627337
1020010111323110
1164152711a7817
1222b211596625a
13b21c3a07a86c
144d26cd0bc1a6
1524a7978d37aa
hex1232f793cbe6

20010111323110 has 16 divisors (see below), whose sum is σ = 36018253498032. Its totient is φ = 8004032725600.

The previous prime is 20010111323089. The next prime is 20010111323113. The reversal of 20010111323110 is 1132311101002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010111323113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9612345 + ... + 11507275.

It is an arithmetic number, because the mean of its divisors is an integer number (2251140843627).

Almost surely, 220010111323110 is an apocalyptic number.

20010111323110 is a deficient number, since it is larger than the sum of its proper divisors (16008142174922).

20010111323110 is a wasteful number, since it uses less digits than its factorization.

20010111323110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2950919.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 20010111323110 its reverse (1132311101002), we get a palindrome (21142422424112).

The spelling of 20010111323110 in words is "twenty trillion, ten billion, one hundred eleven million, three hundred twenty-three thousand, one hundred ten".

Divisors: 1 2 5 10 1055981 1894931 2111962 3789862 5279905 9474655 10559810 18949310 2001011132311 4002022264622 10005055661555 20010111323110