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27030136049 = 73861448007
BaseRepresentation
bin11001001011000111…
…110010010011110001
32120202202222011220222
4121023013302103301
5420324203323144
620230101342425
71644555236240
oct311307622361
976682864828
1027030136049
1110510897314
1252a4407a15
13271a002757
141445c48957
15a830392ee
hex64b1f24f1

27030136049 has 4 divisors (see below), whose sum is σ = 30891584064. Its totient is φ = 23168688036.

The previous prime is 27030136039. The next prime is 27030136073. The reversal of 27030136049 is 94063103072.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27030136049 - 24 = 27030136033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27030136039) 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, 1930723997 + ... + 1930724010.

It is an arithmetic number, because the mean of its divisors is an integer number (7722896016).

Almost surely, 227030136049 is an apocalyptic number.

It is an amenable number.

27030136049 is a deficient number, since it is larger than the sum of its proper divisors (3861448015).

27030136049 is an equidigital number, since it uses as much as digits as its factorization.

27030136049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3861448014.

The product of its (nonzero) digits is 27216, while the sum is 35.

The spelling of 27030136049 in words is "twenty-seven billion, thirty million, one hundred thirty-six thousand, forty-nine".

Divisors: 1 7 3861448007 27030136049