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142432241320 = 23513339266947
BaseRepresentation
bin1000010010100110011…
…1111000011010101000
3111121122100101112121001
42010221213320122220
54313200123210240
6145233225124344
713201414034605
oct2045147703250
9447570345531
10142432241320
1155450318036
12237303296b4
131057b758b45
146c726816ac
153a8951589a
hex21299f86a8

142432241320 has 32 divisors (see below), whose sum is σ = 320497768800. Its totient is φ = 56968411968.

The previous prime is 142432241317. The next prime is 142432241321. The reversal of 142432241320 is 23142234241.

It is not an unprimeable number, because it can be changed into a prime (142432241321) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 400087 + ... + 667033.

It is an arithmetic number, because the mean of its divisors is an integer number (10015555275).

Almost surely, 2142432241320 is an apocalyptic number.

142432241320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142432241320 is an abundant number, since it is smaller than the sum of its proper divisors (178065527480).

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

142432241320 is a wasteful number, since it uses less digits than its factorization.

142432241320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280297 (or 280293 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 142432241320 its reverse (23142234241), we get a palindrome (165574475561).

The spelling of 142432241320 in words is "one hundred forty-two billion, four hundred thirty-two million, two hundred forty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 13339 26678 53356 66695 106712 133390 266780 266947 533560 533894 1067788 1334735 2135576 2669470 5338940 10677880 3560806033 7121612066 14243224132 17804030165 28486448264 35608060330 71216120660 142432241320