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142032322231 = 182697774499
BaseRepresentation
bin1000010001000111001…
…0010011111010110111
3111120121110212112201221
42010101302103322313
54311340233302411
6145125421331211
713155456551002
oct2042162237267
9446543775657
10142032322231
11552655a7998
122363a406b07
1310516945327
146c354dc539
153a6436b071
hex2111c93eb7

142032322231 has 4 divisors (see below), whose sum is σ = 142040115000. Its totient is φ = 142024529464.

The previous prime is 142032322219. The next prime is 142032322247. The reversal of 142032322231 is 132223230241.

142032322231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142032322231 - 29 = 142032321719 is a prime.

It is a super-2 number, since 2×1420323222312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142032322196 and 142032322205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142032322291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3868981 + ... + 3905518.

It is an arithmetic number, because the mean of its divisors is an integer number (35510028750).

Almost surely, 2142032322231 is an apocalyptic number.

142032322231 is a deficient number, since it is larger than the sum of its proper divisors (7792769).

142032322231 is an equidigital number, since it uses as much as digits as its factorization.

142032322231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7792768.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 142032322231 its reverse (132223230241), we get a palindrome (274255552472).

The spelling of 142032322231 in words is "one hundred forty-two billion, thirty-two million, three hundred twenty-two thousand, two hundred thirty-one".

Divisors: 1 18269 7774499 142032322231