Search a number
-
+
85479314135040 = 21133571710724281
BaseRepresentation
bin10011011011111000110100…
…001001111001100000000000
3102012122202001101002001012000
4103123320310021321200000
542200443113404310130
6501444353234304000
724001451042605020
oct2333706411714000
9365582041061160
1085479314135040
112526663442a631
129706569428000
133890884568c67
14171731413da80
159d37a6be3260
hex4dbe34279800

85479314135040 has 1536 divisors, whose sum is σ = 371138364979200. Its totient is φ = 18216218787840.

The previous prime is 85479314134961. The next prime is 85479314135063. The reversal of 85479314135040 is 4053141397458.

85479314135040 is a `hidden beast` number, since 8 + 5 + 4 + 7 + 93 + 1 + 41 + 3 + 504 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1536).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3520407700 + ... + 3520431980.

It is an arithmetic number, because the mean of its divisors is an integer number (241626539700).

Almost surely, 285479314135040 is an apocalyptic number.

85479314135040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85479314135040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185569182489600).

85479314135040 is an abundant number, since it is smaller than the sum of its proper divisors (285659050844160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85479314135040 is a wasteful number, since it uses less digits than its factorization.

85479314135040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24448 (or 24422 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The spelling of 85479314135040 in words is "eighty-five trillion, four hundred seventy-nine billion, three hundred fourteen million, one hundred thirty-five thousand, forty".