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21110022010060 = 2254389275803789
BaseRepresentation
bin1001100110011000011110…
…10111001111010011001100
32202202002122201201010122021
410303030033113033103030
510231331311113310220
6112521451002055524
74306102011311434
oct463141727172314
982662581633567
1021110022010060
1167a978a0a6575
12244b31b7aa5a4
13ba18884b4779
1452da327772c4
152691c05e14aa
hex13330f5cf4cc

21110022010060 has 48 divisors (see below), whose sum is σ = 45871686352800. Its totient is φ = 8154966403584.

The previous prime is 21110022009997. The next prime is 21110022010061. The reversal of 21110022010060 is 6001022001112.

It is not an unprimeable number, because it can be changed into a prime (21110022010061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137825355 + ... + 137978434.

It is an arithmetic number, because the mean of its divisors is an integer number (955660132350).

Almost surely, 221110022010060 is an apocalyptic number.

21110022010060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21110022010060 is an abundant number, since it is smaller than the sum of its proper divisors (24761664342740).

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

21110022010060 is a wasteful number, since it uses less digits than its factorization.

21110022010060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275803930 (or 275803928 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 21110022010060 its reverse (6001022001112), we get a palindrome (27111044011172).

The spelling of 21110022010060 in words is "twenty-one trillion, one hundred ten billion, twenty-two million, ten thousand, sixty".

Divisors: 1 2 4 5 10 20 43 86 89 172 178 215 356 430 445 860 890 1780 3827 7654 15308 19135 38270 76540 275803789 551607578 1103215156 1379018945 2758037890 5516075780 11859562927 23719125854 24546537221 47438251708 49093074442 59297814635 98186148884 118595629270 122732686105 237191258540 245465372210 490930744420 1055501100503 2111002201006 4222004402012 5277505502515 10555011005030 21110022010060