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85574498815 = 5131316530751
BaseRepresentation
bin100111110110010100…
…0110011100111111111
322011212211111221210001
41033230220303213333
52400224032430230
6103151250255131
76116421144511
oct1175450634777
9264784457701
1085574498815
11333236345a3
12147028874a7
1380ba000c20
1441db265bb1
15235caa70ca
hex13eca339ff

85574498815 has 8 divisors (see below), whose sum is σ = 110588583168. Its totient is φ = 63193476000.

The previous prime is 85574498803. The next prime is 85574498839. The reversal of 85574498815 is 51889447558.

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

It is not a de Polignac number, because 85574498815 - 27 = 85574498687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 658265311 + ... + 658265440.

It is an arithmetic number, because the mean of its divisors is an integer number (13823572896).

Almost surely, 285574498815 is an apocalyptic number.

85574498815 is a deficient number, since it is larger than the sum of its proper divisors (25014084353).

85574498815 is a wasteful number, since it uses less digits than its factorization.

85574498815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316530769.

The product of its digits is 64512000, while the sum is 64.

The spelling of 85574498815 in words is "eighty-five billion, five hundred seventy-four million, four hundred ninety-eight thousand, eight hundred fifteen".

Divisors: 1 5 13 65 1316530751 6582653755 17114899763 85574498815