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27425763149 is a prime number
BaseRepresentation
bin11001100010101100…
…111110111101001101
32121210100102010021112
4121202230332331031
5422131443410044
620333233141405
71660431066101
oct314254767515
977710363245
1027425763149
11106a4145864
1253949ba865
132780c72825
1414825d1901
15aa7b3709e
hex662b3ef4d

27425763149 has 2 divisors, whose sum is σ = 27425763150. Its totient is φ = 27425763148.

The previous prime is 27425763143. The next prime is 27425763223. The reversal of 27425763149 is 94136752472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19698122500 + 7727640649 = 140350^2 + 87907^2 .

It is a cyclic number.

It is not a de Polignac number, because 27425763149 - 28 = 27425762893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27425763097 and 27425763106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27425763143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13712881574 + 13712881575.

It is an arithmetic number, because the mean of its divisors is an integer number (13712881575).

Almost surely, 227425763149 is an apocalyptic number.

It is an amenable number.

27425763149 is a deficient number, since it is larger than the sum of its proper divisors (1).

27425763149 is an equidigital number, since it uses as much as digits as its factorization.

27425763149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2540160, while the sum is 50.

The spelling of 27425763149 in words is "twenty-seven billion, four hundred twenty-five million, seven hundred sixty-three thousand, one hundred forty-nine".