Base | Representation |
---|---|
bin | 1000010001110011111… |
… | …1011110011110100000 |
3 | 111121002120121221221000 |
4 | 2010130333132132200 |
5 | 4312231400311340 |
6 | 145200215032000 |
7 | 13163231540250 |
oct | 2043477363640 |
9 | 447076557830 |
10 | 142220322720 |
11 | 553517344a3 |
12 | 2369136b600 |
13 | 1054688a918 |
14 | 6c52479960 |
15 | 3a75b04d30 |
hex | 211cfde7a0 |
142220322720 has 192 divisors, whose sum is σ = 568881411840. Its totient is φ = 32507495424.
The previous prime is 142220322701. The next prime is 142220322731. The reversal of 142220322720 is 27223022241.
142220322720 is a `hidden beast` number, since 142 + 220 + 32 + 272 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2321287 + ... + 2381766.
It is an arithmetic number, because the mean of its divisors is an integer number (2962924020).
Almost surely, 2142220322720 is an apocalyptic number.
142220322720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
142220322720 is an abundant number, since it is smaller than the sum of its proper divisors (426661089120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142220322720 is a wasteful number, since it uses less digits than its factorization.
142220322720 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4703084 (or 4703070 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 27.
Adding to 142220322720 its reverse (27223022241), we get a palindrome (169443344961).
The spelling of 142220322720 in words is "one hundred forty-two billion, two hundred twenty million, three hundred twenty-two thousand, seven hundred twenty".
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