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142634430720 = 2832586314347
BaseRepresentation
bin1000010011010110101…
…1001011000100000000
3111122011102211211022100
42010311223023010000
54314103403240340
6145305250510400
713206420441225
oct2046553130400
9448142754270
10142634430720
1155544465a11
1223787b95400
13105b15cb842
146c9147394c
153a9c153830
hex2135acb100

142634430720 has 216 divisors, whose sum is σ = 494106552576. Its totient is φ = 37989126144.

The previous prime is 142634430709. The next prime is 142634430773. The reversal of 142634430720 is 27034436241.

142634430720 is a `hidden beast` number, since 1 + 4 + 2 + 6 + 344 + 307 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9934587 + ... + 9948933.

It is an arithmetic number, because the mean of its divisors is an integer number (2287530336).

Almost surely, 2142634430720 is an apocalyptic number.

142634430720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142634430720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247053276288).

142634430720 is an abundant number, since it is smaller than the sum of its proper divisors (351472121856).

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

142634430720 is a wasteful number, since it uses less digits than its factorization.

142634430720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15237 (or 15220 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 36.

Adding to 142634430720 its reverse (27034436241), we get a palindrome (169668866961).

The spelling of 142634430720 in words is "one hundred forty-two billion, six hundred thirty-four million, four hundred thirty thousand, seven hundred twenty".