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101020122101020 = 22543268394376663
BaseRepresentation
bin10110111110000010010100…
…011111100011010100011100
3111020200102121000000121010111
4112332002110133203110130
5101220103202224213040
6554504000423415404
730164314541006653
oct2676022437432434
9436612530017114
10101020122101020
112a208436378421
12b3b64625b4564
13444a20619a725
141ad358584619a
15ba2b7286edea
hex5be0947e351c

101020122101020 has 48 divisors (see below), whose sum is σ = 217083934932480. Its totient is φ = 39466847198016.

The previous prime is 101020122100993. The next prime is 101020122101051. The reversal of 101020122101020 is 20101221020101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20893209 + ... + 25269871.

It is an arithmetic number, because the mean of its divisors is an integer number (4522581977760).

Almost surely, 2101020122101020 is an apocalyptic number.

101020122101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101020122101020 is an abundant number, since it is smaller than the sum of its proper divisors (116063812831460).

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

101020122101020 is a wasteful number, since it uses less digits than its factorization.

101020122101020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4403554 (or 4403552 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 101020122101020 its reverse (20101221020101), we get a palindrome (121121343121121).

The spelling of 101020122101020 in words is "one hundred one trillion, twenty billion, one hundred twenty-two million, one hundred one thousand, twenty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 26839 53678 107356 134195 268390 536780 1154077 2308154 4376663 4616308 5770385 8753326 11540770 17506652 21883315 23081540 43766630 87533260 188196509 376393018 752786036 940982545 1881965090 3763930180 117465258257 234930516514 469861033028 587326291285 1174652582570 2349305165140 5051006105051 10102012210102 20204024420204 25255030525255 50510061050510 101020122101020