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70217101601 is a prime number
BaseRepresentation
bin100000101100101000…
…0111111000100100001
320201020112212100021122
41001121100333010201
52122301034222401
652131324102025
75034021341633
oct1013120770441
9221215770248
1070217101601
11278627a5789
1211737694915
13681040ba3a
1435817aaa53
151c5e6e721b
hex105943f121

70217101601 has 2 divisors, whose sum is σ = 70217101602. Its totient is φ = 70217101600.

The previous prime is 70217101589. The next prime is 70217101607. The reversal of 70217101601 is 10610171207.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59097610000 + 11119491601 = 243100^2 + 105449^2 .

It is an emirp because it is prime and its reverse (10610171207) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-70217101601 is a prime.

It is not a weakly prime, because it can be changed into another prime (70217101607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35108550800 + 35108550801.

It is an arithmetic number, because the mean of its divisors is an integer number (35108550801).

Almost surely, 270217101601 is an apocalyptic number.

It is an amenable number.

70217101601 is a deficient number, since it is larger than the sum of its proper divisors (1).

70217101601 is an equidigital number, since it uses as much as digits as its factorization.

70217101601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 588, while the sum is 26.

Adding to 70217101601 its reverse (10610171207), we get a palindrome (80827272808).

The spelling of 70217101601 in words is "seventy billion, two hundred seventeen million, one hundred one thousand, six hundred one".