Base | Representation |
---|---|
bin | 1000010001111010011… |
… | …1100111100100000000 |
3 | 111121011110222221202020 |
4 | 2010132213213210000 |
5 | 4312310342413122 |
6 | 145203032121440 |
7 | 13164012562533 |
oct | 2043647474400 |
9 | 447143887666 |
10 | 142247622912 |
11 | 5536609053a |
12 | 2369a536280 |
13 | 1054c428a95 |
14 | 6c55d44a1a |
15 | 3a781e8c5c |
hex | 211e9e7900 |
142247622912 has 36 divisors (see below), whose sum is σ = 378586123440. Its totient is φ = 47415874048.
The previous prime is 142247622887. The next prime is 142247622931. The reversal of 142247622912 is 219226742241.
It is a super-2 number, since 2×1422476229122 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92608362 + ... + 92609897.
Almost surely, 2142247622912 is an apocalyptic number.
142247622912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
142247622912 is an abundant number, since it is smaller than the sum of its proper divisors (236338500528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142247622912 is an equidigital number, since it uses as much as digits as its factorization.
142247622912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 185218278 (or 185218264 counting only the distinct ones).
The product of its digits is 193536, while the sum is 42.
The spelling of 142247622912 in words is "one hundred forty-two billion, two hundred forty-seven million, six hundred twenty-two thousand, nine hundred twelve".
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