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70607881849 is a prime number
BaseRepresentation
bin100000111000010001…
…1101100011001111001
320202020210012001000011
41001300203230121321
52124101104204344
652234203541521
75046505043641
oct1016043543171
9222223161004
1070607881849
1127a4334376a
121182652a8a1
13687337295b
1435bb651521
151c83b88d34
hex10708ec679

70607881849 has 2 divisors, whose sum is σ = 70607881850. Its totient is φ = 70607881848.

The previous prime is 70607881837. The next prime is 70607881859. The reversal of 70607881849 is 94818870607.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66599092624 + 4008789225 = 258068^2 + 63315^2 .

It is a cyclic number.

It is not a de Polignac number, because 70607881849 - 223 = 70599493241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70607881793 and 70607881802.

It is not a weakly prime, because it can be changed into another prime (70607881829) 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, 35303940924 + 35303940925.

It is an arithmetic number, because the mean of its divisors is an integer number (35303940925).

Almost surely, 270607881849 is an apocalyptic number.

It is an amenable number.

70607881849 is a deficient number, since it is larger than the sum of its proper divisors (1).

70607881849 is an equidigital number, since it uses as much as digits as its factorization.

70607881849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5419008, while the sum is 58.

The spelling of 70607881849 in words is "seventy billion, six hundred seven million, eight hundred eighty-one thousand, eight hundred forty-nine".