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10122310229 = 46121957289
BaseRepresentation
bin10010110110101011…
…00011001001010101
3222010102220122012212
421123111203021111
5131212302411404
64352232123205
7505561134353
oct113325431125
928112818185
1010122310229
114324864549
121b65b36505
13c54142aa5
146c04c07d3
153e39bd06e
hex25b563255

10122310229 has 4 divisors (see below), whose sum is σ = 10144267980. Its totient is φ = 10100352480.

The previous prime is 10122310199. The next prime is 10122310243. The reversal of 10122310229 is 92201322101.

It is a happy number.

10122310229 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.

It can be written as a sum of positive squares in 2 ways, for example, as 7135687729 + 2986622500 = 84473^2 + 54650^2 .

It is a cyclic number.

It is not a de Polignac number, because 10122310229 - 28 = 10122309973 is a prime.

It is a super-2 number, since 2×101223102292 (a number of 21 digits) 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 (10122310259) 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, 10978184 + ... + 10979105.

It is an arithmetic number, because the mean of its divisors is an integer number (2536066995).

Almost surely, 210122310229 is an apocalyptic number.

It is an amenable number.

10122310229 is a deficient number, since it is larger than the sum of its proper divisors (21957751).

10122310229 is an equidigital number, since it uses as much as digits as its factorization.

10122310229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21957750.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 10122310229 in words is "ten billion, one hundred twenty-two million, three hundred ten thousand, two hundred twenty-nine".

Divisors: 1 461 21957289 10122310229