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2012220010 = 25201222001
BaseRepresentation
bin111011111110000…
…0000101001101010
312012020100100221001
41313330000221222
513110112020020
6531400505214
7100602405433
oct16774005152
95166310831
102012220010
11942933749
12481a7b20a
13260b65538
1415135a48a
15bb9c850a
hex77f00a6a

2012220010 has 8 divisors (see below), whose sum is σ = 3621996036. Its totient is φ = 804888000.

The previous prime is 2012219987. The next prime is 2012220019. The reversal of 2012220010 is 100222102.

It can be written as a sum of positive squares in 2 ways, for example, as 2005517089 + 6702921 = 44783^2 + 2589^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 201222001 = 2012220010 / (2 + 0 + 1 + 2 + 2 + 2 + 0 + 0 + 1 + 0).

It is not an unprimeable number, because it can be changed into a prime (2012220019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100610991 + ... + 100611010.

Almost surely, 22012220010 is an apocalyptic number.

2012220010 is a deficient number, since it is larger than the sum of its proper divisors (1609776026).

2012220010 is a wasteful number, since it uses less digits than its factorization.

2012220010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201222008.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2012220010 is about 44857.7753572332. The cubic root of 2012220010 is about 1262.4818826927.

Adding to 2012220010 its reverse (100222102), we get a palindrome (2112442112).

The spelling of 2012220010 in words is "two billion, twelve million, two hundred twenty thousand, ten".

Divisors: 1 2 5 10 201222001 402444002 1006110005 2012220010