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79901111111011 = 661532322708837
BaseRepresentation
bin10010001010101101101101…
…010110000100110101100011
3101110220110201210221222010221
4102022231231112010311203
540433044433421023021
6441534021432303511
722554444006332461
oct2212555526046543
9343813653858127
1079901111111011
1123505964228203
128b65454541b97
1335778475c3918
1415a333d325831
1593862802c241
hex48ab6d584d63

79901111111011 has 8 divisors (see below), whose sum is σ = 80037027024944. Its totient is φ = 79765240626720.

The previous prime is 79901111110979. The next prime is 79901111111027. The reversal of 79901111111011 is 11011111110997.

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

It is a cyclic number.

It is not a de Polignac number, because 79901111111011 - 25 = 79901111110979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79901111111051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7835916 + ... + 14872921.

It is an arithmetic number, because the mean of its divisors is an integer number (10004628378118).

Almost surely, 279901111111011 is an apocalyptic number.

79901111111011 is a deficient number, since it is larger than the sum of its proper divisors (135915913933).

79901111111011 is a wasteful number, since it uses less digits than its factorization.

79901111111011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22714821.

The product of its (nonzero) digits is 567, while the sum is 34.

The spelling of 79901111111011 in words is "seventy-nine trillion, nine hundred one billion, one hundred eleven million, one hundred eleven thousand, eleven".

Divisors: 1 661 5323 3518503 22708837 15010541257 120879139351 79901111111011