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210012020210 = 25432126922963
BaseRepresentation
bin1100001110010110110…
…0010001110111110010
3202002002002200000020202
43003211230101313302
511420101034121320
6240251142235202
721113202501206
oct3034554216762
9662062600222
10210012020210
118107a346173
1234850725b02
1316a5b6578a5
14a243a92b06
1556e2408b75
hex30e5b11df2

210012020210 has 32 divisors (see below), whose sum is σ = 386847869760. Its totient is φ = 82043777088.

The previous prime is 210012020173. The next prime is 210012020219. The reversal of 210012020210 is 12020210012.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 210012020191 and 210012020200.

It is not an unprimeable number, because it can be changed into a prime (210012020219) 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, 9134189 + ... + 9157151.

It is an arithmetic number, because the mean of its divisors is an integer number (12088995930).

Almost surely, 2210012020210 is an apocalyptic number.

210012020210 is a deficient number, since it is larger than the sum of its proper divisors (176835849550).

210012020210 is a wasteful number, since it uses less digits than its factorization.

210012020210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44282.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 210012020210 its reverse (12020210012), we get a palindrome (222032230222).

The spelling of 210012020210 in words is "two hundred ten billion, twelve million, twenty thousand, two hundred ten".

Divisors: 1 2 5 10 43 86 215 430 21269 22963 42538 45926 106345 114815 212690 229630 914567 987409 1829134 1974818 4572835 4937045 9145670 9874090 488400047 976800094 2442000235 4884000470 21001202021 42002404042 105006010105 210012020210