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20110210021000 = 2353118322026517
BaseRepresentation
bin1001001001010010001011…
…11011001011011010001000
32122012111222010001122200101
410210221011323023122020
510113441202231133000
6110434300345215144
74143625515524311
oct444510573133210
978174863048611
1020110210021000
116453768315020
1223095b07914b4
13b2b500166208
144d74a72b1608
1524d1a5616e6a
hex124a45ecb688

20110210021000 has 128 divisors (see below), whose sum is σ = 51954388536960. Its totient is φ = 7224697248000.

The previous prime is 20110210020997. The next prime is 20110210021037. The reversal of 20110210021000 is 12001201102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10100259 + ... + 11926258.

It is an arithmetic number, because the mean of its divisors is an integer number (405893660445).

Almost surely, 220110210021000 is an apocalyptic number.

20110210021000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20110210021000 is an abundant number, since it is smaller than the sum of its proper divisors (31844178515960).

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

20110210021000 is a wasteful number, since it uses less digits than its factorization.

20110210021000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22026632 (or 22026618 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20110210021000 its reverse (12001201102), we get a palindrome (20122211222102).

The spelling of 20110210021000 in words is "twenty trillion, one hundred ten billion, two hundred ten million, twenty-one thousand".

Divisors: 1 2 4 5 8 10 11 20 22 25 40 44 50 55 83 88 100 110 125 166 200 220 250 275 332 415 440 500 550 664 830 913 1000 1100 1375 1660 1826 2075 2200 2750 3320 3652 4150 4565 5500 7304 8300 9130 10375 11000 16600 18260 20750 22825 36520 41500 45650 83000 91300 114125 182600 228250 456500 913000 22026517 44053034 88106068 110132585 176212136 220265170 242291687 440530340 484583374 550662925 881060680 969166748 1101325850 1211458435 1828200911 1938333496 2202651700 2422916870 2753314625 3656401822 4405303400 4845833740 5506629250 6057292175 7312803644 9141004555 9691667480 11013258500 12114584350 14625607288 18282009110 20110210021 22026517000 24229168700 30286460875 36564018220 40220420042 45705022775 48458337400 60572921750 73128036440 80440840084 91410045550 100551050105 121145843500 160881680168 182820091100 201102100210 228525113875 242291687000 365640182200 402204200420 457050227750 502755250525 804408400840 914100455500 1005510501050 1828200911000 2011021002100 2513776252625 4022042004200 5027552505250 10055105010500 20110210021000