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20610500044316 = 2273132175228761
BaseRepresentation
bin1001010111110110000011…
…00010001010011000011100
32200222100022012000002010012
410223323001202022120130
510200140301002404231
6111500155532502352
74225026255542000
oct453730142123034
980870265002105
1020610500044316
116626955a62306
12238a55291a9b8
13b6673c3caa00
145137a6c2c700
1525b1d6937e2b
hex12bec188a61c

20610500044316 has 144 divisors (see below), whose sum is σ = 48225917678400. Its totient is φ = 7673979156480.

The previous prime is 20610500044283. The next prime is 20610500044319. The reversal of 20610500044316 is 61344000501602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20610500044319) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1327376 + ... + 6556136.

It is an arithmetic number, because the mean of its divisors is an integer number (334902206100).

Almost surely, 220610500044316 is an apocalyptic number.

20610500044316 is a gapful number since it is divisible by the number (26) 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 20610500044316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24112958839200).

20610500044316 is an abundant number, since it is smaller than the sum of its proper divisors (27615417634084).

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

20610500044316 is a wasteful number, since it uses less digits than its factorization.

20610500044316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5228829 (or 5228800 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 20610500044316 its reverse (61344000501602), we get a palindrome (81954500545918).

The spelling of 20610500044316 in words is "twenty trillion, six hundred ten billion, five hundred million, forty-four thousand, three hundred sixteen".

Divisors: 1 2 4 7 13 14 17 26 28 34 49 52 68 91 98 119 169 182 196 221 238 338 343 364 442 476 637 676 686 833 884 1183 1274 1372 1547 1666 2366 2548 2873 3094 3332 4459 4732 5746 5831 6188 8281 8918 10829 11492 11662 16562 17836 20111 21658 23324 33124 40222 43316 57967 75803 80444 115934 140777 151606 231868 281554 303212 563108 985439 1970878 3941756 5228761 10457522 20915044 36601327 67973893 73202654 88888937 135947786 146405308 177777874 256209289 271895572 355555748 475817251 512418578 622222559 883660609 951634502 1024837156 1155556181 1244445118 1767321218 1793465023 1903269004 2311112362 2488890236 3330720757 3534642436 3586930046 4355557913 4622224724 6185624263 6661441514 7173860092 8088893267 8711115826 12371248526 13322883028 15022230353 16177786534 17422231652 23315045299 24742497052 30044460706 30488905391 32355573068 43299369841 46630090598 56622252869 60088921412 60977810782 86598739682 93260181196 105155612471 113244505738 121955621564 173197479364 210311224942 226489011476 303095588887 396355770083 420622449884 606191177774 736089287297 792711540166 1212382355548 1472178574594 1585423080332 2944357149188 5152625011079 10305250022158 20610500044316