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70900561841 is a prime number
BaseRepresentation
bin100001000001000000…
…0001011011110110001
320210000011220201110212
41002002000023132301
52130201020434331
652323221033505
75056660555244
oct1020200133661
9223004821425
1070900561841
112808357855a
12118a8555895
1368bbba9995
14360847b25b
151c9e6edd2b
hex108200b7b1

70900561841 has 2 divisors, whose sum is σ = 70900561842. Its totient is φ = 70900561840.

The previous prime is 70900561799. The next prime is 70900561859. The reversal of 70900561841 is 14816500907.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70564609600 + 335952241 = 265640^2 + 18329^2 .

It is a cyclic number.

It is not a de Polignac number, because 70900561841 - 234 = 53720692657 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (70900561241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35450280920 + 35450280921.

It is an arithmetic number, because the mean of its divisors is an integer number (35450280921).

Almost surely, 270900561841 is an apocalyptic number.

It is an amenable number.

70900561841 is a deficient number, since it is larger than the sum of its proper divisors (1).

70900561841 is an equidigital number, since it uses as much as digits as its factorization.

70900561841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 41.

The spelling of 70900561841 in words is "seventy billion, nine hundred million, five hundred sixty-one thousand, eight hundred forty-one".