Base | Representation |
---|---|
bin | 1000010001111001100… |
… | …1101011110101000100 |
3 | 111121011020010101101222 |
4 | 2010132121223311010 |
5 | 4312303424022442 |
6 | 145202421535512 |
7 | 13163636540660 |
oct | 2043631536504 |
9 | 447136111358 |
10 | 142243970372 |
11 | 55364016309 |
12 | 23699274598 |
13 | 1054b74a40a |
14 | 6c556738a0 |
15 | 3a77c268d2 |
hex | 211e66bd44 |
142243970372 has 48 divisors (see below), whose sum is σ = 286801845120. Its totient is φ = 60466605312.
The previous prime is 142243970359. The next prime is 142243970417. The reversal of 142243970372 is 273079342241.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4814798 + ... + 4844250.
It is an arithmetic number, because the mean of its divisors is an integer number (5975038440).
Almost surely, 2142243970372 is an apocalyptic number.
It is an amenable number.
142243970372 is an abundant number, since it is smaller than the sum of its proper divisors (144557874748).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142243970372 is a wasteful number, since it uses less digits than its factorization.
142243970372 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30860 (or 30858 counting only the distinct ones).
The product of its (nonzero) digits is 508032, while the sum is 44.
The spelling of 142243970372 in words is "one hundred forty-two billion, two hundred forty-three million, nine hundred seventy thousand, three hundred seventy-two".
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