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70864449730 = 257439537611
BaseRepresentation
bin100000111111111011…
…0011011000011000010
320202220122222000222021
41001333312123003002
52130112244342410
652315451032054
75056041612154
oct1017766330302
9222818860867
1070864449730
1128065152a38
121189843b62a
1368b4574979
14360375aad4
151c9b468eda
hex107fd9b0c2

70864449730 has 16 divisors (see below), whose sum is σ = 127727699904. Its totient is φ = 28307626480.

The previous prime is 70864449707. The next prime is 70864449749. The reversal of 70864449730 is 3794446807.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 4761376 + ... + 4776235.

It is an arithmetic number, because the mean of its divisors is an integer number (7982981244).

Almost surely, 270864449730 is an apocalyptic number.

70864449730 is a deficient number, since it is larger than the sum of its proper divisors (56863250174).

70864449730 is a wasteful number, since it uses less digits than its factorization.

70864449730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9538361.

The product of its (nonzero) digits is 4064256, while the sum is 52.

The spelling of 70864449730 in words is "seventy billion, eight hundred sixty-four million, four hundred forty-nine thousand, seven hundred thirty".

Divisors: 1 2 5 10 743 1486 3715 7430 9537611 19075222 47688055 95376110 7086444973 14172889946 35432224865 70864449730