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79911002002 = 2133073500077
BaseRepresentation
bin100101001101100010…
…0010001111110010010
321122021010122111200211
41022123010101332102
52302124204031002
6100413254034334
75526161211136
oct1123304217622
9248233574624
1079911002002
113098774a617
12135a20489aa
1376c6873c90
143c2100d3c6
15212a78ddd7
hex129b111f92

79911002002 has 8 divisors (see below), whose sum is σ = 129087003276. Its totient is φ = 36882000912.

The previous prime is 79911001979. The next prime is 79911002021. The reversal of 79911002002 is 20020011997.

It can be written as a sum of positive squares in 2 ways, for example, as 73783400161 + 6127601841 = 271631^2 + 78279^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1536750013 + ... + 1536750064.

Almost surely, 279911002002 is an apocalyptic number.

79911002002 is a deficient number, since it is larger than the sum of its proper divisors (49176001274).

79911002002 is a wasteful number, since it uses less digits than its factorization.

79911002002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3073500092.

The product of its (nonzero) digits is 2268, while the sum is 31.

Adding to 79911002002 its reverse (20020011997), we get a palindrome (99931013999).

The spelling of 79911002002 in words is "seventy-nine billion, nine hundred eleven million, two thousand, two".

Divisors: 1 2 13 26 3073500077 6147000154 39955501001 79911002002