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142543331052 = 22399731191077
BaseRepresentation
bin1000010011000000111…
…1101001111011101100
3111121221002102111001120
42010300033221323230
54313412043043202
6145252234140540
713204233215433
oct2046017517354
9447832374046
10142543331052
11554a7aa3431
1223761581750
1310598783205
146c8331c11a
153a9415b0bc
hex21303e9eec

142543331052 has 24 divisors (see below), whose sum is σ = 332634735216. Its totient is φ = 47509639488.

The previous prime is 142543331023. The next prime is 142543331087. The reversal of 142543331052 is 250133345241.

142543331052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×1425433310523 (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 475863 + ... + 715214.

It is an arithmetic number, because the mean of its divisors is an integer number (13859780634).

Almost surely, 2142543331052 is an apocalyptic number.

142543331052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142543331052 is an abundant number, since it is smaller than the sum of its proper divisors (190091404164).

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

142543331052 is a wasteful number, since it uses less digits than its factorization.

142543331052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201057 (or 1201055 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 142543331052 its reverse (250133345241), we get a palindrome (392676676293).

The spelling of 142543331052 in words is "one hundred forty-two billion, five hundred forty-three million, three hundred thirty-one thousand, fifty-two".

Divisors: 1 2 3 4 6 12 9973 19946 29919 39892 59838 119676 1191077 2382154 3573231 4764308 7146462 14292924 11878610921 23757221842 35635832763 47514443684 71271665526 142543331052