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21323113130110 = 25111631211398179
BaseRepresentation
bin1001101100100101011001…
…00101010110100001111110
32210111110200102020121210211
410312102230211112201332
510243324213430130420
6113203411500223034
74330354423042261
oct466225445264176
983443612217724
1021323113130110
116881099518a50
12248468b53aa7a
13bb89b7a2a30c
1453a089342cd8
1526e9e2eb5e5a
hex1364ac95687e

21323113130110 has 64 divisors (see below), whose sum is σ = 42131623668480. Its totient is φ = 7705574945280.

The previous prime is 21323113130063. The next prime is 21323113130113. The reversal of 21323113130110 is 1103131132312.

It is a super-2 number, since 2×213231131301102 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21323113130113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 217137001 + ... + 217235179.

It is an arithmetic number, because the mean of its divisors is an integer number (658306619820).

Almost surely, 221323113130110 is an apocalyptic number.

21323113130110 is a deficient number, since it is larger than the sum of its proper divisors (20808510538370).

21323113130110 is a wasteful number, since it uses less digits than its factorization.

21323113130110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110473.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 21323113130110 its reverse (1103131132312), we get a palindrome (22426244262422).

The spelling of 21323113130110 in words is "twenty-one trillion, three hundred twenty-three billion, one hundred thirteen million, one hundred thirty thousand, one hundred ten".

Divisors: 1 2 5 10 11 22 55 110 163 326 815 1630 1793 3586 8965 12113 17930 24226 60565 98179 121130 133243 196358 266486 490895 666215 981790 1079969 1332430 1974419 2159938 3948838 5399845 9872095 10799690 16003177 19744190 21718609 32006354 43437218 80015885 108593045 160031770 176034947 217186090 352069894 880174735 1189242227 1760349470 2378484454 5946211135 11892422270 13081664497 26163328994 65408322485 130816644970 193846483001 387692966002 969232415005 1938464830010 2132311313011 4264622626022 10661556565055 21323113130110