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100210122220 = 225134767712113
BaseRepresentation
bin101110101010011111…
…1010001110111101100
3100120122211000122202011
41131110333101313230
53120212242402340
6114011430411004
710145204661505
oct1352477216754
9316584018664
10100210122220
113955400202a
1217508200a64
1395b01cc110
144bc8d19bac
1529178e30ea
hex1754fd1dec

100210122220 has 96 divisors (see below), whose sum is σ = 231811953408. Its totient is φ = 36156936192.

The previous prime is 100210122211. The next prime is 100210122227. The reversal of 100210122220 is 22221012001.

It is a happy number.

100210122220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 100210122220.

It is not an unprimeable number, because it can be changed into a prime (100210122227) 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, 8266884 + ... + 8278996.

It is an arithmetic number, because the mean of its divisors is an integer number (2414707848).

Almost surely, 2100210122220 is an apocalyptic number.

100210122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100210122220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115905976704).

100210122220 is an abundant number, since it is smaller than the sum of its proper divisors (131601831188).

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

100210122220 is a wasteful number, since it uses less digits than its factorization.

100210122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12859 (or 12857 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 100210122220 its reverse (22221012001), we get a palindrome (122431134221).

The spelling of 100210122220 in words is "one hundred billion, two hundred ten million, one hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 47 52 65 94 130 188 235 260 470 611 677 940 1222 1354 2444 2708 3055 3385 6110 6770 8801 12113 12220 13540 17602 24226 31819 35204 44005 48452 60565 63638 88010 121130 127276 157469 159095 176020 242260 314938 318190 413647 569311 629876 636380 787345 827294 1138622 1574690 1654588 2068235 2277244 2846555 3149380 4136470 5693110 7401043 8200501 8272940 11386220 14802086 16401002 29604172 32802004 37005215 41002505 74010430 82005010 106606513 148020860 164010020 213213026 385423547 426426052 533032565 770847094 1066065130 1541694188 1927117735 2132130260 3854235470 5010506111 7708470940 10021012222 20042024444 25052530555 50105061110 100210122220