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70574699161 is a prime number
BaseRepresentation
bin100000110111010010…
…1000111001010011001
320202011110202011220201
41001232211013022121
52124014110333121
652231020422201
75045623021261
oct1015645071231
9222143664821
1070574699161
1127a2663a05a
12118173a7961
136869525125
1435b70947a1
151c80cd1e91
hex106e947299

70574699161 has 2 divisors, whose sum is σ = 70574699162. Its totient is φ = 70574699160.

The previous prime is 70574699099. The next prime is 70574699183. The reversal of 70574699161 is 16199647507.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54548405136 + 16026294025 = 233556^2 + 126595^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-70574699161 is a prime.

It is not a weakly prime, because it can be changed into another prime (70574699191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35287349580 + 35287349581.

It is an arithmetic number, because the mean of its divisors is an integer number (35287349581).

Almost surely, 270574699161 is an apocalyptic number.

It is an amenable number.

70574699161 is a deficient number, since it is larger than the sum of its proper divisors (1).

70574699161 is an equidigital number, since it uses as much as digits as its factorization.

70574699161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2857680, while the sum is 55.

The spelling of 70574699161 in words is "seventy billion, five hundred seventy-four million, six hundred ninety-nine thousand, one hundred sixty-one".