Base | Representation |
---|---|
bin | 1000010001110000001… |
… | …0110110101100110000 |
3 | 111121001110201120210102 |
4 | 2010130002312230300 |
5 | 4312213313244102 |
6 | 145154450251532 |
7 | 13162646502200 |
oct | 2043402665460 |
9 | 447043646712 |
10 | 142204431152 |
11 | 5534376a973 |
12 | 23687b86ba8 |
13 | 105434b5524 |
14 | 6c50300400 |
15 | 3a74516402 |
hex | 211c0b6b30 |
142204431152 has 120 divisors (see below), whose sum is σ = 326260859040. Its totient is φ = 59856706560.
The previous prime is 142204431113. The next prime is 142204431157. The reversal of 142204431152 is 251134402241.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (142204431157) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14968868 + ... + 14978364.
It is an arithmetic number, because the mean of its divisors is an integer number (2718840492).
Almost surely, 2142204431152 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 142204431152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163130429520).
142204431152 is an abundant number, since it is smaller than the sum of its proper divisors (184056427888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142204431152 is a wasteful number, since it uses less digits than its factorization.
142204431152 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9859 (or 9846 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 29.
Adding to 142204431152 its reverse (251134402241), we get a palindrome (393338833393).
The spelling of 142204431152 in words is "one hundred forty-two billion, two hundred four million, four hundred thirty-one thousand, one hundred fifty-two".
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