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20010011010210 = 23251317102573513
BaseRepresentation
bin1001000110010111100011…
…00110010010010010100010
32121211221100001221111221200
410203023301212102102202
510110321000304311320
6110320245552502030
74133450504141364
oct443136146222242
977757301844850
1020010011010210
11641521a6121a1
1222b20a824a916
13b21c22357810
144d26bda48d34
1524a78dbbb290
hex1232f19924a2

20010011010210 has 48 divisors (see below), whose sum is σ = 56028030831864. Its totient is φ = 4925541171456.

The previous prime is 20010011010181. The next prime is 20010011010229. The reversal of 20010011010210 is 1201011001002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 12305172984129 + 7704838026081 = 3507873^2 + 2775759^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 20010011010192 and 20010011010201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8551285587 + ... + 8551287926.

Almost surely, 220010011010210 is an apocalyptic number.

20010011010210 is an abundant number, since it is smaller than the sum of its proper divisors (36018019821654).

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

20010011010210 is a wasteful number, since it uses less digits than its factorization.

20010011010210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17102573539 (or 17102573536 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 20010011010210 its reverse (1201011001002), we get a palindrome (21211022011212).

The spelling of 20010011010210 in words is "twenty trillion, ten billion, eleven million, ten thousand, two hundred ten".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 30 39 45 65 78 90 117 130 195 234 390 585 1170 17102573513 34205147026 51307720539 85512867565 102615441078 153923161617 171025735130 222333455669 256538602695 307846323234 444666911338 513077205390 667000367007 769615808085 1111667278345 1334000734014 1539231616170 2001001101021 2223334556690 3335001835035 4002002202042 6670003670070 10005005505105 20010011010210