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70671071077 is a prime number
BaseRepresentation
bin100000111010001010…
…0101111011101100101
320202102012002101022221
41001310110233131211
52124213243233302
652244342152341
75051203123045
oct1016424573545
9222365071287
1070671071077
1127a75a82772
12118437226b1
136883498429
1435c5bbd725
151c894bb937
hex107452f765

70671071077 has 2 divisors, whose sum is σ = 70671071078. Its totient is φ = 70671071076.

The previous prime is 70671071057. The next prime is 70671071137. The reversal of 70671071077 is 77017017607.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70652829636 + 18241441 = 265806^2 + 4271^2 .

It is an emirp because it is prime and its reverse (77017017607) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70671071077 - 227 = 70536853349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70671071047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35335535538 + 35335535539.

It is an arithmetic number, because the mean of its divisors is an integer number (35335535539).

Almost surely, 270671071077 is an apocalyptic number.

It is an amenable number.

70671071077 is a deficient number, since it is larger than the sum of its proper divisors (1).

70671071077 is an equidigital number, since it uses as much as digits as its factorization.

70671071077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100842, while the sum is 43.

The spelling of 70671071077 in words is "seventy billion, six hundred seventy-one million, seventy-one thousand, seventy-seven".