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20112010102210 = 2513353343789349
BaseRepresentation
bin1001001001010101100010…
…01101111100010111000010
32122012200121120020020212211
410210222301031330113002
510114003344041232320
6110435155131212334
74144021234130425
oct444526115742702
978180546206784
1020112010102210
116454501424744
122309a135a70aa
13b2b729084220
144d75d83a99bc
1524d25d68955a
hex124ab137c5c2

20112010102210 has 32 divisors (see below), whose sum is σ = 38997393850800. Its totient is φ = 7423870902528.

The previous prime is 20112010102183. The next prime is 20112010102229. The reversal of 20112010102210 is 1220101021102.

It can be written as a sum of positive squares in 8 ways, for example, as 14747927131809 + 5364082970401 = 3840303^2 + 2316049^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21435385 + ... + 22353964.

Almost surely, 220112010102210 is an apocalyptic number.

20112010102210 is a deficient number, since it is larger than the sum of its proper divisors (18885383748590).

20112010102210 is a wasteful number, since it uses less digits than its factorization.

20112010102210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43792902.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20112010102210 its reverse (1220101021102), we get a palindrome (21332111123312).

The spelling of 20112010102210 in words is "twenty trillion, one hundred twelve billion, ten million, one hundred two thousand, two hundred ten".

Divisors: 1 2 5 10 13 26 65 130 3533 7066 17665 35330 45929 91858 229645 459290 43789349 87578698 218946745 437893490 569261537 1138523074 2846307685 5692615370 154707770017 309415540034 773538850085 1547077700170 2011201010221 4022402020442 10056005051105 20112010102210