Search a number
-
+
143440204231012 = 221312286122451921
BaseRepresentation
bin100000100111010101000110…
…011010110111000101100100
3200210212202020110102201211011
4200213111012122313011210
5122300111014240343022
61225023304202552004
742133132656543523
oct4047250632670544
9623782213381734
10143440204231012
11417827158a0117
121410780a208604
13620647903a230
14275c785b184ba
15118b320003977
hex8275466b7164

143440204231012 has 24 divisors (see below), whose sum is σ = 270331827994872. Its totient is φ = 66202629388800.

The previous prime is 143440204230977. The next prime is 143440204231033. The reversal of 143440204231012 is 210132402044341.

It is a happy number.

143440204231012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3048180777216 + 140392023453796 = 1745904^2 + 11848714^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4837189 + ... + 17614732.

It is an arithmetic number, because the mean of its divisors is an integer number (11263826166453).

Almost surely, 2143440204231012 is an apocalyptic number.

It is an amenable number.

143440204231012 is a deficient number, since it is larger than the sum of its proper divisors (126891623763860).

143440204231012 is a wasteful number, since it uses less digits than its factorization.

143440204231012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22574799 (or 22574797 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 143440204231012 its reverse (210132402044341), we get a palindrome (353572606275353).

The spelling of 143440204231012 in words is "one hundred forty-three trillion, four hundred forty billion, two hundred four million, two hundred thirty-one thousand, twelve".

Divisors: 1 2 4 13 26 52 122861 245722 491444 1597193 3194386 6388772 22451921 44903842 89807684 291874973 583749946 1167499892 2758465465981 5516930931962 11033861863924 35860051057753 71720102115506 143440204231012