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113122021210 = 251119379142811
BaseRepresentation
bin110100101011010011…
…0010000111101011010
3101210222200001002100021
41221112212100331122
53323133214134320
6123544553301054
711113161213052
oct1512646207532
9353880032307
10113122021210
1143a7a482930
1219b1040478a
13a88a265333
145691ab0562
152e21240daa
hex1a56990f5a

113122021210 has 64 divisors (see below), whose sum is σ = 234440179200. Its totient is φ = 38867169600.

The previous prime is 113122021193. The next prime is 113122021211. The reversal of 113122021210 is 12120221311.

It is not an unprimeable number, because it can be changed into a prime (113122021211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 720705 + ... + 863515.

It is an arithmetic number, because the mean of its divisors is an integer number (3663127800).

Almost surely, 2113122021210 is an apocalyptic number.

113122021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113122021210 is an abundant number, since it is smaller than the sum of its proper divisors (121318157990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113122021210 is a wasteful number, since it uses less digits than its factorization.

113122021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143227.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 113122021210 its reverse (12120221311), we get a palindrome (125242242521).

The spelling of 113122021210 in words is "one hundred thirteen billion, one hundred twenty-two million, twenty-one thousand, two hundred ten".

Divisors: 1 2 5 10 11 19 22 38 55 95 110 190 209 379 418 758 1045 1895 2090 3790 4169 7201 8338 14402 20845 36005 41690 72010 79211 142811 158422 285622 396055 714055 792110 1428110 1570921 2713409 3141842 5426818 7854605 13567045 15709210 27134090 29847499 54125369 59694998 108250738 149237495 270626845 298474990 541253690 595379059 1028382011 1190758118 2056764022 2976895295 5141910055 5953790590 10283820110 11312202121 22624404242 56561010605 113122021210