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20013130050100 = 225211151120488441
BaseRepresentation
bin1001000110011101010111…
…00000011110101000110100
32121212020101102222011022121
410203032223200132220310
510110343342243100400
6110321523252405324
74133621006426215
oct443165340365064
977766342864277
1020013130050100
116416580199010
1222b2818916844
13b222cb5bac55
144d28d7d9b40c
1524a8c292621a
hex1233ab81ea34

20013130050100 has 72 divisors (see below), whose sum is σ = 47690289251136. Its totient is φ = 7229306400000.

The previous prime is 20013130050097. The next prime is 20013130050113. The reversal of 20013130050100 is 105003131002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60078121 + ... + 60410320.

It is an arithmetic number, because the mean of its divisors is an integer number (662365128488).

Almost surely, 220013130050100 is an apocalyptic number.

20013130050100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20013130050100 is an abundant number, since it is smaller than the sum of its proper divisors (27677159201036).

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

20013130050100 is a wasteful number, since it uses less digits than its factorization.

20013130050100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120488617 (or 120488610 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 16.

Adding to 20013130050100 its reverse (105003131002), we get a palindrome (20118133181102).

The spelling of 20013130050100 in words is "twenty trillion, thirteen billion, one hundred thirty million, fifty thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 151 220 275 302 550 604 755 1100 1510 1661 3020 3322 3775 6644 7550 8305 15100 16610 33220 41525 83050 166100 120488441 240976882 481953764 602442205 1204884410 1325372851 2409768820 2650745702 3012211025 5301491404 6024422050 6626864255 12048844100 13253728510 18193754591 26507457020 33134321275 36387509182 66268642550 72775018364 90968772955 132537285100 181937545910 200131300501 363875091820 400262601002 454843864775 800525202004 909687729550 1000656502505 1819375459100 2001313005010 4002626010020 5003282512525 10006565025050 20013130050100