Base | Representation |
---|---|
bin | 1000010001011011011… |
… | …1010010010101111010 |
3 | 111120211102011122220200 |
4 | 2010112313102111322 |
5 | 4312024040400240 |
6 | 145142103303030 |
7 | 13160542632225 |
oct | 2042667222572 |
9 | 446742148820 |
10 | 142117512570 |
11 | 552a96a3730 |
12 | 23662a4aa76 |
13 | 1052b4a2007 |
14 | 6c429565bc |
15 | 3a6ba97930 |
hex | 2116dd257a |
142117512570 has 48 divisors (see below), whose sum is σ = 403096947552. Its totient is φ = 34452730080.
The previous prime is 142117512529. The next prime is 142117512571. The reversal of 142117512570 is 75215711241.
It is a happy number.
142117512570 is a `hidden beast` number, since 1 + 4 + 2 + 1 + 1 + 75 + 12 + 570 = 666.
142117512570 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (142117512571) by changing a digit.
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 23 ways as a sum of consecutive naturals, for example, 71775532 + ... + 71777511.
It is an arithmetic number, because the mean of its divisors is an integer number (8397853074).
Almost surely, 2142117512570 is an apocalyptic number.
142117512570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
142117512570 is an abundant number, since it is smaller than the sum of its proper divisors (260979434982).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142117512570 is a wasteful number, since it uses less digits than its factorization.
142117512570 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 143553067 (or 143553064 counting only the distinct ones).
The product of its (nonzero) digits is 19600, while the sum is 36.
The spelling of 142117512570 in words is "one hundred forty-two billion, one hundred seventeen million, five hundred twelve thousand, five hundred seventy".
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