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142235340325 = 52131725743953
BaseRepresentation
bin1000010001110111100…
…0110000111000100101
3111121010121212221012121
42010131320300320211
54312244221342300
6145201512545541
713163503305331
oct2043570607045
9447117787177
10142235340325
115535a161441
12236963b22b1
1310549a18290
146c544687c1
153a770be81a
hex211de30e25

142235340325 has 24 divisors (see below), whose sum is σ = 201111768648. Its totient is φ = 98856775680.

The previous prime is 142235340307. The next prime is 142235340341. The reversal of 142235340325 is 523043532241.

It can be written as a sum of positive squares in 12 ways, for example, as 6562458081 + 135672882244 = 81009^2 + 368338^2 .

It is not a de Polignac number, because 142235340325 - 25 = 142235340293 is a prime.

It is a super-2 number, since 2×1422353403252 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12866452 + ... + 12877501.

It is an arithmetic number, because the mean of its divisors is an integer number (8379657027).

Almost surely, 2142235340325 is an apocalyptic number.

It is an amenable number.

142235340325 is a deficient number, since it is larger than the sum of its proper divisors (58876428323).

142235340325 is a wasteful number, since it uses less digits than its factorization.

142235340325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25743993 (or 25743988 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 142235340325 its reverse (523043532241), we get a palindrome (665278872566).

The spelling of 142235340325 in words is "one hundred forty-two billion, two hundred thirty-five million, three hundred forty thousand, three hundred twenty-five".

Divisors: 1 5 13 17 25 65 85 221 325 425 1105 5525 25743953 128719765 334671389 437647201 643598825 1673356945 2188236005 5689413613 8366784725 10941180025 28447068065 142235340325