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2100210212212 = 22775007507579
BaseRepresentation
bin11110100011111110010…
…010001001110101110100
321102210000021001002011021
4132203332102021311310
5233402212303242322
64244453453350524
7304510111153120
oct36437622116564
97383007032137
102100210212212
1173a76aa04492
1229b050198444
13123083795428
14739177d0580
15399708dc4c7
hex1e8fe489d74

2100210212212 has 12 divisors (see below), whose sum is σ = 4200420424480. Its totient is φ = 900090090936.

The previous prime is 2100210212207. The next prime is 2100210212273. The reversal of 2100210212212 is 2122120120012.

It is a happy number.

2100210212212 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37503753762 + ... + 37503753817.

Almost surely, 22100210212212 is an apocalyptic number.

It is an amenable number.

2100210212212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2100210212212 is a wasteful number, since it uses less digits than its factorization.

2100210212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75007507590 (or 75007507588 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2100210212212 its reverse (2122120120012), we get a palindrome (4222330332224).

The spelling of 2100210212212 in words is "two trillion, one hundred billion, two hundred ten million, two hundred twelve thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 75007507579 150015015158 300030030316 525052553053 1050105106106 2100210212212