Base | Representation |
---|---|
bin | 1000010010010000101… |
… | …1001011011110100000 |
3 | 111121101222101102101200 |
4 | 2010210023023132200 |
5 | 4313003223044021 |
6 | 145220202001200 |
7 | 13166224046610 |
oct | 2044413133640 |
9 | 447358342350 |
10 | 142340831136 |
11 | 55403763229 |
12 | 237057a6200 |
13 | 1056583208a |
14 | 6c64488a40 |
15 | 3a814ab126 |
hex | 21242cb7a0 |
142340831136 has 72 divisors (see below), whose sum is σ = 462607707744. Its totient is φ = 40668808320.
The previous prime is 142340831077. The next prime is 142340831201. The reversal of 142340831136 is 631138043241.
142340831136 is a `hidden beast` number, since 1 + 423 + 40 + 83 + 113 + 6 = 666.
It is a tau number, because it is divible by the number of its divisors (72).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 142340831136.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35300770 + ... + 35304801.
It is an arithmetic number, because the mean of its divisors is an integer number (6425107052).
Almost surely, 2142340831136 is an apocalyptic number.
142340831136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
142340831136 is an abundant number, since it is smaller than the sum of its proper divisors (320266876608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142340831136 is a wasteful number, since it uses less digits than its factorization.
142340831136 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 70605594 (or 70605583 counting only the distinct ones).
The product of its (nonzero) digits is 41472, while the sum is 36.
Adding to 142340831136 its reverse (631138043241), we get a palindrome (773478874377).
The spelling of 142340831136 in words is "one hundred forty-two billion, three hundred forty million, eight hundred thirty-one thousand, one hundred thirty-six".
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