Base | Representation |
---|---|
bin | 1000010010101011010… |
… | …1001100110110101000 |
3 | 111121200202112022011100 |
4 | 2010222311030312220 |
5 | 4313220320310440 |
6 | 145235231401400 |
7 | 13202051233404 |
oct | 2045265146650 |
9 | 447622468140 |
10 | 142452510120 |
11 | 55460801308 |
12 | 23737083260 |
13 | 10582a0470b |
14 | 6c7523a104 |
15 | 3a8b1bb230 |
hex | 212ad4cda8 |
142452510120 has 48 divisors (see below), whose sum is σ = 462970659060. Its totient is φ = 37987335936.
The previous prime is 142452510103. The next prime is 142452510121. The reversal of 142452510120 is 21015254241.
It is a happy number.
142452510120 is a `hidden beast` number, since 1 + 4 + 2 + 4 + 525 + 10 + 120 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 137372527044 + 5079983076 = 370638^2 + 71274^2 .
It is not an unprimeable number, because it can be changed into a prime (142452510121) 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 11 ways as a sum of consecutive naturals, for example, 197850349 + ... + 197851068.
Almost surely, 2142452510120 is an apocalyptic number.
142452510120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
142452510120 is an abundant number, since it is smaller than the sum of its proper divisors (320518148940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142452510120 is a wasteful number, since it uses less digits than its factorization.
142452510120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 395701434 (or 395701427 counting only the distinct ones).
The product of its (nonzero) digits is 3200, while the sum is 27.
Adding to 142452510120 its reverse (21015254241), we get a palindrome (163467764361).
The spelling of 142452510120 in words is "one hundred forty-two billion, four hundred fifty-two million, five hundred ten thousand, one hundred twenty".
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