Search a number
-
+
218107103364 = 223252081116329
BaseRepresentation
bin1100101100100000110…
…0100100100010000100
3202211222020222211201100
43023020030210202010
512033140404301424
6244110320100100
721520616534553
oct3131014444204
9684866884640
10218107103364
1184553856a37
123632b764630
131774b7ac517
14a7b0c2bd9a
155a17e36dc9
hex32c8324884

218107103364 has 36 divisors (see below), whose sum is σ = 551341614460. Its totient is φ = 72700346880.

The previous prime is 218107103363. The next prime is 218107103369. The reversal of 218107103364 is 463301701812.

It is a happy number.

218107103364 is a `hidden beast` number, since 218 + 10 + 71 + 0 + 3 + 364 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 124955180100 + 93151923264 = 353490^2 + 305208^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (218107103363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1816752 + ... + 1933080.

Almost surely, 2218107103364 is an apocalyptic number.

It is an amenable number.

218107103364 is an abundant number, since it is smaller than the sum of its proper divisors (333234511096).

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

218107103364 is a wasteful number, since it uses less digits than its factorization.

218107103364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168420 (or 168415 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 218107103364 in words is "two hundred eighteen billion, one hundred seven million, one hundred three thousand, three hundred sixty-four".

Divisors: 1 2 3 4 6 9 12 18 36 52081 104162 116329 156243 208324 232658 312486 348987 465316 468729 624972 697974 937458 1046961 1395948 1874916 2093922 4187844 6058530649 12117061298 18175591947 24234122596 36351183894 54526775841 72702367788 109053551682 218107103364