Search a number
-
+
20345144132110 = 2572130971363909
BaseRepresentation
bin1001010000000111110010…
…00101101100001000001110
32200000222101002001001112211
410220003321011230020032
510131313323344211420
6111134232530421034
74166613431522620
oct450037105541016
980028332031484
1020345144132110
116534366513a26
12234703773177a
13b47700b49845
145049d2c2ac10
15254355953e5a
hex1280f916c20e

20345144132110 has 32 divisors (see below), whose sum is σ = 41853095017920. Its totient is φ = 6975440140032.

The previous prime is 20345144132057. The next prime is 20345144132113. The reversal of 20345144132110 is 1123144154302.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20345144132113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14234836 + ... + 15598744.

It is an arithmetic number, because the mean of its divisors is an integer number (1307909219310).

Almost surely, 220345144132110 is an apocalyptic number.

20345144132110 is an abundant number, since it is smaller than the sum of its proper divisors (21507950885810).

20345144132110 is a wasteful number, since it uses less digits than its factorization.

20345144132110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577020.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 20345144132110 its reverse (1123144154302), we get a palindrome (21468288286412).

The spelling of 20345144132110 in words is "twenty trillion, three hundred forty-five billion, one hundred forty-four million, one hundred thirty-two thousand, one hundred ten".

Divisors: 1 2 5 7 10 14 35 70 213097 426194 1065485 1363909 1491679 2130970 2727818 2983358 6819545 7458395 9547363 13639090 14916790 19094726 47736815 95473630 290644916173 581289832346 1453224580865 2034514413211 2906449161730 4069028826422 10172572066055 20345144132110