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10010327909 = 29345183721
BaseRepresentation
bin10010101001010100…
…10111101101100101
3221211122012100100112
421110222113231211
5131000120443114
64333152022405
7503031245321
oct112452275545
927748170315
1010010327909
11427762957a
121b34531a05
13c36b9536a
146ad690981
153d8c4d13e
hex254a97b65

10010327909 has 4 divisors (see below), whose sum is σ = 10355511660. Its totient is φ = 9665144160.

The previous prime is 10010327903. The next prime is 10010327917. The reversal of 10010327909 is 90972301001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90972301001 = 432115634907.

It can be written as a sum of positive squares in 2 ways, for example, as 6831849025 + 3178478884 = 82655^2 + 56378^2 .

It is a cyclic number.

It is not a de Polignac number, because 10010327909 - 220 = 10009279333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10010327903) 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, 172591832 + ... + 172591889.

It is an arithmetic number, because the mean of its divisors is an integer number (2588877915).

Almost surely, 210010327909 is an apocalyptic number.

It is an amenable number.

10010327909 is a deficient number, since it is larger than the sum of its proper divisors (345183751).

10010327909 is an equidigital number, since it uses as much as digits as its factorization.

10010327909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345183750.

The product of its (nonzero) digits is 3402, while the sum is 32.

The spelling of 10010327909 in words is "ten billion, ten million, three hundred twenty-seven thousand, nine hundred nine".

Divisors: 1 29 345183721 10010327909