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20211100210010 = 251312331355811
BaseRepresentation
bin1001001100001110000110…
…11100101101001101011010
32122120011101022202021200102
410212013003130231031122
510122114313123210020
6110552503512135402
74154126622140123
oct446070334551532
978504338667612
1020211100210010
116492530191316
122325068697562
13b37b8b2157c8
144dc31865704a
15250b0ca91475
hex1261c372d35a

20211100210010 has 48 divisors (see below), whose sum is σ = 36770668130016. Its totient is φ = 7998466476000.

The previous prime is 20211100210009. The next prime is 20211100210043. The reversal of 20211100210010 is 1001200111202.

It is a super-2 number, since 2×202111002100102 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20211100209973 and 20211100210000.

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, 56625005 + ... + 56980815.

It is an arithmetic number, because the mean of its divisors is an integer number (766055586042).

Almost surely, 220211100210010 is an apocalyptic number.

20211100210010 is a deficient number, since it is larger than the sum of its proper divisors (16559567920006).

20211100210010 is a wasteful number, since it uses less digits than its factorization.

20211100210010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356411 (or 356280 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20211100210010 its reverse (1001200111202), we get a palindrome (21212300321212).

The spelling of 20211100210010 in words is "twenty trillion, two hundred eleven billion, one hundred million, two hundred ten thousand, ten".

Divisors: 1 2 5 10 131 262 331 655 662 1310 1655 3310 17161 34322 43361 85805 86722 171610 216805 355811 433610 711622 1779055 3558110 5680291 11360582 28401455 46611241 56802910 93222482 117773441 233056205 235546882 466112410 588867205 1177734410 6106072571 12212145142 15428320771 30530362855 30856641542 61060725710 77141603855 154283207710 2021110021001 4042220042002 10105550105005 20211100210010