Search a number
-
+
218110738134 = 23761166928621
BaseRepresentation
bin1100101100100001101…
…0011011111011010110
3202211222111211111200110
43023020122123323112
512033142322110014
6244110530023450
721520662453552
oct3131032337326
9684874744613
10218110738134
1184555909883
1236330a17b86
131774c482a83
14a7b14d6862
155a18403d59
hex32c869bed6

218110738134 has 32 divisors (see below), whose sum is σ = 437071678560. Its totient is φ = 72562003200.

The previous prime is 218110738129. The next prime is 218110738267. The reversal of 218110738134 is 431837011812.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 218110738092 and 218110738101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7606344 + ... + 7634964.

It is an arithmetic number, because the mean of its divisors is an integer number (13658489955).

Almost surely, 2218110738134 is an apocalyptic number.

218110738134 is an abundant number, since it is smaller than the sum of its proper divisors (218960940426).

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

218110738134 is a wasteful number, since it uses less digits than its factorization.

218110738134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31056.

The product of its (nonzero) digits is 32256, while the sum is 39.

Adding to 218110738134 its reverse (431837011812), we get a palindrome (649947749946).

The spelling of 218110738134 in words is "two hundred eighteen billion, one hundred ten million, seven hundred thirty-eight thousand, one hundred thirty-four".

Divisors: 1 2 3 6 761 1522 1669 2283 3338 4566 5007 10014 28621 57242 85863 171726 1270109 2540218 3810327 7620654 21780581 43561162 47768449 65341743 95536898 130683486 143305347 286610694 36351789689 72703579378 109055369067 218110738134