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10013494427 = 85911657153
BaseRepresentation
bin10010101001101100…
…11100110010011011
3221211212011012222222
421110312130302123
5131001423310202
64333343534255
7503100204206
oct112466346233
927755135888
1010013494427
1142793a1632
121b355ba38b
13c37733741
146adc7693d
153d91764a2
hex254d9cc9b

10013494427 has 4 divisors (see below), whose sum is σ = 10025152440. Its totient is φ = 10001836416.

The previous prime is 10013494417. The next prime is 10013494487. The reversal of 10013494427 is 72449431001.

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: 72449431001 = 169634271027.

It is a cyclic number.

It is not a de Polignac number, because 10013494427 - 26 = 10013494363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10013494417) 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, 5827718 + ... + 5829435.

It is an arithmetic number, because the mean of its divisors is an integer number (2506288110).

Almost surely, 210013494427 is an apocalyptic number.

10013494427 is a deficient number, since it is larger than the sum of its proper divisors (11658013).

10013494427 is an equidigital number, since it uses as much as digits as its factorization.

10013494427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11658012.

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 10013494427 in words is "ten billion, thirteen million, four hundred ninety-four thousand, four hundred twenty-seven".

Divisors: 1 859 11657153 10013494427