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101210112112100 = 225219106150205919
BaseRepresentation
bin10111000000110011010000…
…110001111011010111100100
3111021100120222201202011021112
4113000303100301323113210
5101231211302200041400
6555131141133004152
730214121633316545
oct2700632061732744
9437316881664245
10101210112112100
112a280a70821802
12b427245923658
1344620c3712924
141adc84a3244cc
15ba7a92111835
hex5c0cd0c7b5e4

101210112112100 has 72 divisors (see below), whose sum is σ = 231403101753600. Its totient is φ = 38317156617600.

The previous prime is 101210112112097. The next prime is 101210112112111. The reversal of 101210112112100 is 1211211012101.

It is a super-3 number, since 3×1012101121121003 (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 23087060 + ... + 27118859.

It is an arithmetic number, because the mean of its divisors is an integer number (3213931968800).

Almost surely, 2101210112112100 is an apocalyptic number.

101210112112100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101210112112100 is an abundant number, since it is smaller than the sum of its proper divisors (130192989641500).

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

101210112112100 is a wasteful number, since it uses less digits than its factorization.

101210112112100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50207013 (or 50207006 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 101210112112100 its reverse (1211211012101), we get a palindrome (102421323124201).

The spelling of 101210112112100 in words is "one hundred one trillion, two hundred ten billion, one hundred twelve million, one hundred twelve thousand, one hundred".

Divisors: 1 2 4 5 10 19 20 25 38 50 76 95 100 190 380 475 950 1061 1900 2122 4244 5305 10610 20159 21220 26525 40318 53050 80636 100795 106100 201590 403180 503975 1007950 2015900 50205919 100411838 200823676 251029595 502059190 953912461 1004118380 1255147975 1907824922 2510295950 3815649844 4769562305 5020591900 9539124610 19078249220 23847811525 47695623050 53268480059 95391246100 106536960118 213073920236 266342400295 532684800590 1012101121121 1065369601180 1331712001475 2024202242242 2663424002950 4048404484484 5060505605605 5326848005900 10121011211210 20242022422420 25302528028025 50605056056050 101210112112100