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122110102100 = 22527226992641
BaseRepresentation
bin111000110111001010…
…1000100101001010100
3102200012001200220102002
41301232111010221110
54000040141231400
6132032511134432
711552000512400
oct1615625045124
9380161626362
10122110102100
1147871a73058
121b7ba514418
13b6904013ac
145ca56a2100
15329a365ed5
hex1c6e544a54

122110102100 has 108 divisors (see below), whose sum is σ = 309390002460. Its totient is φ = 41710233600.

The previous prime is 122110102099. The next prime is 122110102141. The reversal of 122110102100 is 1201011221.

It can be written as a sum of positive squares in 6 ways, for example, as 461218576 + 121648883524 = 21476^2 + 348782^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1271780 + ... + 1364420.

It is an arithmetic number, because the mean of its divisors is an integer number (2864722245).

Almost surely, 2122110102100 is an apocalyptic number.

122110102100 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 122110102100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154695001230).

122110102100 is an abundant number, since it is smaller than the sum of its proper divisors (187279900360).

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

122110102100 is a wasteful number, since it uses less digits than its factorization.

122110102100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92938 (or 92924 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 122110102100 its reverse (1201011221), we get a palindrome (123311113321).

The spelling of 122110102100 in words is "one hundred twenty-two billion, one hundred ten million, one hundred two thousand, one hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 49 50 70 98 100 140 175 196 245 269 350 490 538 700 980 1076 1225 1345 1883 2450 2690 3766 4900 5380 6725 7532 9415 13181 13450 18830 26362 26900 37660 47075 52724 65905 92641 94150 131810 185282 188300 263620 329525 370564 463205 648487 659050 926410 1296974 1318100 1852820 2316025 2593948 3242435 4539409 4632050 6484870 9078818 9264100 12969740 16212175 18157636 22697045 24920429 32424350 45394090 49840858 64848700 90788180 99681716 113485225 124602145 174443003 226970450 249204290 348886006 453940900 498408580 623010725 697772012 872215015 1221101021 1246021450 1744430030 2442202042 2492042900 3488860060 4361075075 4884404084 6105505105 8722150150 12211010210 17444300300 24422020420 30527525525 61055051050 122110102100