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142402303204240 = 2452337639608541
BaseRepresentation
bin100000011000001110011110…
…101100101001101110010000
3200200012112020100112122210211
4200120032132230221232100
5122131104404110013430
61222510414233533504
741665140552433252
oct4030163654515620
9620175210478724
10142402303204240
1141412528813902
1213b7a62b274294
13615c63080a841
142724445ba3cd2
15116e3261b872a
hex81839eb29b90

142402303204240 has 40 divisors (see below), whose sum is σ = 332506322182008. Its totient is φ = 56716453800960.

The previous prime is 142402303204193. The next prime is 142402303204361. The reversal of 142402303204240 is 42402303204241.

142402303204240 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 109087520656 + 142293215683584 = 330284^2 + 11928672^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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, 3819785631 + ... + 3819822910.

Almost surely, 2142402303204240 is an apocalyptic number.

142402303204240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142402303204240 is an abundant number, since it is smaller than the sum of its proper divisors (190104018977768).

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

142402303204240 is a wasteful number, since it uses less digits than its factorization.

142402303204240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7639608787 (or 7639608781 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 142402303204240 its reverse (42402303204241), we get a palindrome (184804606408481).

Subtracting from 142402303204240 its reverse (42402303204241), we obtain a palindrome (99999999999999).

The spelling of 142402303204240 in words is "one hundred forty-two trillion, four hundred two billion, three hundred three million, two hundred four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 233 466 932 1165 1864 2330 3728 4660 9320 18640 7639608541 15279217082 30558434164 38198042705 61116868328 76396085410 122233736656 152792170820 305584341640 611168683280 1780028790053 3560057580106 7120115160212 8900143950265 14240230320424 17800287900530 28480460640848 35600575801060 71201151602120 142402303204240