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2010010231 = 7151281081
BaseRepresentation
bin111011111001110…
…0101001001110111
312012002012002200101
41313303211021313
513104030311411
6531241254531
7100544543065
oct16763451167
95162162611
102010010231
11941664489
12481194447
13260570788
14150d43035
15bb6dd8c1
hex77ce5277

2010010231 has 4 divisors (see below), whose sum is σ = 2010298464. Its totient is φ = 2009722000.

The previous prime is 2010010217. The next prime is 2010010279. The reversal of 2010010231 is 1320100102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2010010231 - 219 = 2009485943 is a prime.

It is a super-2 number, since 2×20100102312 = 8080282257449346722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010010291) 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, 133390 + ... + 147691.

It is an arithmetic number, because the mean of its divisors is an integer number (502574616).

Almost surely, 22010010231 is an apocalyptic number.

2010010231 is a deficient number, since it is larger than the sum of its proper divisors (288233).

2010010231 is an equidigital number, since it uses as much as digits as its factorization.

2010010231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288232.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 2010010231 is about 44833.1376439348. The cubic root of 2010010231 is about 1262.0195694602.

Adding to 2010010231 its reverse (1320100102), we get a palindrome (3330110333).

The spelling of 2010010231 in words is "two billion, ten million, ten thousand, two hundred thirty-one".

Divisors: 1 7151 281081 2010010231