Base | Representation |
---|---|
bin | 1000010100011111010… |
… | …0010001110000111000 |
3 | 111122221122120202112221 |
4 | 2011013310101300320 |
5 | 4320214313313402 |
6 | 145355402413424 |
7 | 13220104546525 |
oct | 2050764216070 |
9 | 448848522487 |
10 | 142938807352 |
11 | 55690259650 |
12 | 23851b01274 |
13 | 1062c69c763 |
14 | 6cbda6614c |
15 | 3ab8c29337 |
hex | 2147d11c38 |
142938807352 has 32 divisors (see below), whose sum is σ = 293662869120. Its totient is φ = 64685955040.
The previous prime is 142938807301. The next prime is 142938807419. The reversal of 142938807352 is 253708839241.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 142938807352.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3557788 + ... + 3597739.
It is an arithmetic number, because the mean of its divisors is an integer number (9176964660).
Almost surely, 2142938807352 is an apocalyptic number.
It is an amenable number.
142938807352 is an abundant number, since it is smaller than the sum of its proper divisors (150724061768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142938807352 is a wasteful number, since it uses less digits than its factorization.
142938807352 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7155771 (or 7155767 counting only the distinct ones).
The product of its (nonzero) digits is 2903040, while the sum is 52.
The spelling of 142938807352 in words is "one hundred forty-two billion, nine hundred thirty-eight million, eight hundred seven thousand, three hundred fifty-two".
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