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140243404124 = 2219297121471
BaseRepresentation
bin1000001010011100101…
…0001000010101011100
3111101222210201002102202
42002213022020111130
54244204302412444
6144232114511032
713063235160215
oct2024712102534
9441883632382
10140243404124
115452782227a
122321b295478
13102c01353c5
146b05aac40c
1539ac2a134e
hex20a728855c

140243404124 has 18 divisors (see below), whose sum is σ = 259022965824. Its totient is φ = 66431085480.

The previous prime is 140243404109. The next prime is 140243404127. The reversal of 140243404124 is 421404342041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140243404127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48559292 + ... + 48562179.

It is an arithmetic number, because the mean of its divisors is an integer number (14390164768).

Almost surely, 2140243404124 is an apocalyptic number.

It is an amenable number.

140243404124 is a deficient number, since it is larger than the sum of its proper divisors (118779561700).

140243404124 is a wasteful number, since it uses less digits than its factorization.

140243404124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97121513 (or 97121492 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 140243404124 its reverse (421404342041), we get a palindrome (561647746165).

The spelling of 140243404124 in words is "one hundred forty billion, two hundred forty-three million, four hundred four thousand, one hundred twenty-four".

Divisors: 1 2 4 19 38 76 361 722 1444 97121471 194242942 388485884 1845307949 3690615898 7381231796 35060851031 70121702062 140243404124