Base | Representation |
---|---|
bin | 1000010001001001000… |
… | …1010101100001110000 |
3 | 111120122001011202011222 |
4 | 2010102101111201300 |
5 | 4311344324032110 |
6 | 145130311524212 |
7 | 13155615643343 |
oct | 2042221254160 |
9 | 446561152158 |
10 | 142040455280 |
11 | 5526a152419 |
12 | 23641089668 |
13 | 10518532199 |
14 | 6c3661845a |
15 | 3a64e25c55 |
hex | 2112455870 |
142040455280 has 40 divisors (see below), whose sum is σ = 330259790592. Its totient is φ = 56813475584.
The previous prime is 142040455267. The next prime is 142040455343. The reversal of 142040455280 is 82554040241.
It is a tau number, because it is divible by the number of its divisors (40).
It is a super-2 number, since 2×1420404552802 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 142040455280.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3072497 + ... + 3118383.
Almost surely, 2142040455280 is an apocalyptic number.
142040455280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
142040455280 is an abundant number, since it is smaller than the sum of its proper divisors (188219335312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142040455280 is a wasteful number, since it uses less digits than its factorization.
142040455280 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 84593 (or 84587 counting only the distinct ones).
The product of its (nonzero) digits is 51200, while the sum is 35.
The spelling of 142040455280 in words is "one hundred forty-two billion, forty million, four hundred fifty-five thousand, two hundred eighty".
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