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20011210112010 = 2351323946984243
BaseRepresentation
bin1001000110011001110010…
…00100011111110000001010
32121212001102122021012101110
410203030321010133300022
510110330424242041020
6110321004545431150
74133522304266115
oct443147104376012
977761378235343
1020011210112010
116415785465117
1222b238193b4b6
13b220838c6200
144d2794dc357c
1524a80e0ca8e0
hex12333911fc0a

20011210112010 has 48 divisors (see below), whose sum is σ = 52005464398944. Its totient is φ = 4925836334016.

The previous prime is 20011210111957. The next prime is 20011210112021. The reversal of 20011210112010 is 1021101211002.

It is a super-2 number, since 2×200112101120102 (a number of 27 digits) contains 22 as substring.

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, 1973487052 + ... + 1973497191.

It is an arithmetic number, because the mean of its divisors is an integer number (1083447174978).

Almost surely, 220011210112010 is an apocalyptic number.

20011210112010 is an abundant number, since it is smaller than the sum of its proper divisors (31994254286934).

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

20011210112010 is a wasteful number, since it uses less digits than its factorization.

20011210112010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3946984279 (or 3946984266 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20011210112010 its reverse (1021101211002), we get a palindrome (21032311323012).

The spelling of 20011210112010 in words is "twenty trillion, eleven billion, two hundred ten million, one hundred twelve thousand, ten".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 169 195 338 390 507 845 1014 1690 2535 5070 3946984243 7893968486 11840952729 19734921215 23681905458 39469842430 51310795159 59204763645 102621590318 118409527290 153932385477 256553975795 307864770954 513107951590 667040337067 769661927385 1334080674134 1539323854770 2001121011201 3335201685335 4002242022402 6670403370670 10005605056005 20011210112010