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20113031323210 = 257659943541297
BaseRepresentation
bin1001001001010111011100…
…00101100101111001001010
32122012210020201211122201211
410210223232011211321022
510114012442004320320
6110435444331403334
74144055444304220
oct444535605457112
978183221748654
1020113031323210
116454985922141
12230a0595b354a
13b2b85c8114c7
144d7693c7cb10
1524d2bd15d55a
hex124aee165e4a

20113031323210 has 32 divisors (see below), whose sum is σ = 41381649619200. Its totient is φ = 6894851304192.

The previous prime is 20113031323193. The next prime is 20113031323213. The reversal of 20113031323210 is 1232313031102.

It is not an unprimeable number, because it can be changed into a prime (20113031323213) 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, 21308719 + ... + 22232578.

It is an arithmetic number, because the mean of its divisors is an integer number (1293176550600).

Almost surely, 220113031323210 is an apocalyptic number.

20113031323210 is an abundant number, since it is smaller than the sum of its proper divisors (21268618295990).

20113031323210 is a wasteful number, since it uses less digits than its factorization.

20113031323210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43547910.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 20113031323210 its reverse (1232313031102), we get a palindrome (21345344354312).

The spelling of 20113031323210 in words is "twenty trillion, one hundred thirteen billion, thirty-one million, three hundred twenty-three thousand, two hundred ten".

Divisors: 1 2 5 7 10 14 35 70 6599 13198 32995 46193 65990 92386 230965 461930 43541297 87082594 217706485 304789079 435412970 609578158 1523945395 3047890790 287329018903 574658037806 1436645094515 2011303132321 2873290189030 4022606264642 10056515661605 20113031323210