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1010110110020 = 22511163193145949
BaseRepresentation
bin11101011001011110100…
…00010001100101000100
310120120021022101020011022
432230233100101211010
5113022201142010040
62052012125130312
7132656320161314
oct16545720214504
93516238336138
101010110110020
1135a426907220
121439239b9998
1374339a2946b
1436c6506d444
151b41e1246b5
hexeb2f411944

1010110110020 has 96 divisors (see below), whose sum is σ = 2340346780800. Its totient is φ = 363165327360.

The previous prime is 1010110109993. The next prime is 1010110110029. The reversal of 1010110110020 is 200110110101.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1010110110029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6848006 + ... + 6993954.

It is an arithmetic number, because the mean of its divisors is an integer number (24378612300).

Almost surely, 21010110110020 is an apocalyptic number.

1010110110020 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 1010110110020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1170173390400).

1010110110020 is an abundant number, since it is smaller than the sum of its proper divisors (1330236670780).

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

1010110110020 is a wasteful number, since it uses less digits than its factorization.

1010110110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146325 (or 146323 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 1010110110020 its reverse (200110110101), we get a palindrome (1210220220121).

The spelling of 1010110110020 in words is "one trillion, ten billion, one hundred ten million, one hundred ten thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 163 193 220 326 386 652 772 815 965 1630 1793 1930 2123 3260 3586 3860 4246 7172 8492 8965 10615 17930 21230 31459 35860 42460 62918 125836 145949 157295 291898 314590 346049 583796 629180 692098 729745 1384196 1459490 1605439 1730245 2918980 3210878 3460490 6421756 6920980 8027195 16054390 23789687 28168157 32108780 47579374 56336314 95158748 112672628 118948435 140840785 237896870 261686557 281681570 309849727 475793740 523373114 563363140 619699454 1046746228 1239398908 1308432785 1549248635 2616865570 3098497270 4591409591 5233731140 6196994540 9182819182 18365638364 22957047955 45914095910 50505505501 91828191820 101011011002 202022022004 252527527505 505055055010 1010110110020