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85479748954 = 2291731465049
BaseRepresentation
bin100111110011011111…
…1010111010101011010
322011122020020011101221
41033212333113111122
52400030303431304
6103134023402254
76114160610035
oct1174677272532
9264566204357
1085479748954
11332850a9626
1214696bb338a
1380a34a8012
1441cc84001c
1523545dd054
hex13e6fd755a

85479748954 has 8 divisors (see below), whose sum is σ = 128224106100. Its totient is φ = 42738380256.

The previous prime is 85479748933. The next prime is 85479748969. The reversal of 85479748954 is 45984797458.

It can be written as a sum of positive squares in 2 ways, for example, as 78079448329 + 7400300625 = 279427^2 + 86025^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 674179 + ... + 790870.

Almost surely, 285479748954 is an apocalyptic number.

85479748954 is a deficient number, since it is larger than the sum of its proper divisors (42744357146).

85479748954 is a wasteful number, since it uses less digits than its factorization.

85479748954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494224.

The product of its digits is 406425600, while the sum is 70.

The spelling of 85479748954 in words is "eighty-five billion, four hundred seventy-nine million, seven hundred forty-eight thousand, nine hundred fifty-four".

Divisors: 1 2 29173 58346 1465049 2930098 42739874477 85479748954