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85179348121 = 720176032959
BaseRepresentation
bin100111101010100010…
…1011011010010011001
322010212021222012221011
41033111011123102121
52343421403114441
6103044133013521
76103552340620
oct1172505332231
9263767865834
1085179348121
1133140580a7a
12146124842a1
13805619994a
1441a09a46b7
152338050581
hex13d515b499

85179348121 has 8 divisors (see below), whose sum is σ = 97396106240. Its totient is φ = 72974659968.

The previous prime is 85179348101. The next prime is 85179348131. The reversal of 85179348121 is 12184397158.

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

It is not a de Polignac number, because 85179348121 - 29 = 85179347609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85179348101) by changing a digit.

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, 3002361 + ... + 3030598.

It is an arithmetic number, because the mean of its divisors is an integer number (12174513280).

Almost surely, 285179348121 is an apocalyptic number.

It is an amenable number.

85179348121 is a deficient number, since it is larger than the sum of its proper divisors (12216758119).

85179348121 is a wasteful number, since it uses less digits than its factorization.

85179348121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6034983.

The product of its digits is 483840, while the sum is 49.

The spelling of 85179348121 in words is "eighty-five billion, one hundred seventy-nine million, three hundred forty-eight thousand, one hundred twenty-one".

Divisors: 1 7 2017 14119 6032959 42230713 12168478303 85179348121