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10212010201 = 82371239773
BaseRepresentation
bin10011000001010111…
…01110100011011001
3222100200200212110001
421200223232203121
5131403233311301
64405154453001
7511030440331
oct114053564331
928320625401
1010212010201
114370460458
121b8bb94161
13c698bb2b3
146cc3900c1
153eb7dac01
hex260aee8d9

10212010201 has 4 divisors (see below), whose sum is σ = 10213258212. Its totient is φ = 10210762192.

The previous prime is 10212010153. The next prime is 10212010213. The reversal of 10212010201 is 10201021201.

10212010201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10201021201 = 71457288743.

It can be written as a sum of positive squares in 2 ways, for example, as 6548855625 + 3663154576 = 80925^2 + 60524^2 .

It is a cyclic number.

It is not a de Polignac number, because 10212010201 - 211 = 10212008153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10212010231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611650 + ... + 628123.

It is an arithmetic number, because the mean of its divisors is an integer number (2553314553).

Almost surely, 210212010201 is an apocalyptic number.

It is an amenable number.

10212010201 is a deficient number, since it is larger than the sum of its proper divisors (1248011).

10212010201 is an equidigital number, since it uses as much as digits as its factorization.

10212010201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248010.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10212010201 its reverse (10201021201), we get a palindrome (20413031402).

The spelling of 10212010201 in words is "ten billion, two hundred twelve million, ten thousand, two hundred one".

Divisors: 1 8237 1239773 10212010201