Search a number
-
+
78530342224664 = 231126320891624279
BaseRepresentation
bin10001110110110001000101…
…001001110000001100011000
3101022001102112120110121021002
4101312301011021300030120
540243120120102142124
6435004201410004132
722353426042132221
oct2166610511601430
9338042476417232
1078530342224664
11230275929a4290
128983858876648
1334a84c19a3b05
141556c62db8248
15912b4b2680ae
hex476c45270318

78530342224664 has 64 divisors (see below), whose sum is σ = 161318291904000. Its totient is φ = 35542841022720.

The previous prime is 78530342224643. The next prime is 78530342224693. The reversal of 78530342224664 is 46642224303587.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 47535677 + ... + 49159955.

It is an arithmetic number, because the mean of its divisors is an integer number (2520598311000).

Almost surely, 278530342224664 is an apocalyptic number.

It is an amenable number.

78530342224664 is an abundant number, since it is smaller than the sum of its proper divisors (82787949679336).

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

78530342224664 is a wasteful number, since it uses less digits than its factorization.

78530342224664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626648 (or 1626644 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 56.

The spelling of 78530342224664 in words is "seventy-eight trillion, five hundred thirty billion, three hundred forty-two million, two hundred twenty-four thousand, six hundred sixty-four".

Divisors: 1 2 4 8 11 22 44 88 263 526 1052 2089 2104 2893 4178 5786 8356 11572 16712 22979 23144 45958 91916 183832 549407 1098814 1624279 2197628 3248558 4395256 6043477 6497116 12086954 12994232 17867069 24173908 35734138 48347816 71468276 142936552 427185377 854370754 1708741508 3393118831 3417483016 4699039147 6786237662 9398078294 13572475324 18796156588 27144950648 37324307141 37592313176 74648614282 149297228564 298594457128 892390252553 1784780505106 3569561010212 7139122020424 9816292778083 19632585556166 39265171112332 78530342224664