Base | Representation |
---|---|
bin | 1000010100011111010… |
… | …0010001110000110111 |
3 | 111122221122120202112220 |
4 | 2011013310101300313 |
5 | 4320214313313401 |
6 | 145355402413423 |
7 | 13220104546524 |
oct | 2050764216067 |
9 | 448848522486 |
10 | 142938807351 |
11 | 5569025964a |
12 | 23851b01273 |
13 | 1062c69c762 |
14 | 6cbda6614b |
15 | 3ab8c29336 |
hex | 2147d11c37 |
142938807351 has 4 divisors (see below), whose sum is σ = 190585076472. Its totient is φ = 95292538232.
The previous prime is 142938807301. The next prime is 142938807419. The reversal of 142938807351 is 153708839241.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 142938807351 - 221 = 142936710199 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 142938807294 and 142938807303.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142938807301) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23823134556 + ... + 23823134561.
It is an arithmetic number, because the mean of its divisors is an integer number (47646269118).
Almost surely, 2142938807351 is an apocalyptic number.
142938807351 is a deficient number, since it is larger than the sum of its proper divisors (47646269121).
142938807351 is an equidigital number, since it uses as much as digits as its factorization.
142938807351 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47646269120.
The product of its (nonzero) digits is 1451520, while the sum is 51.
The spelling of 142938807351 in words is "one hundred forty-two billion, nine hundred thirty-eight million, eight hundred seven thousand, three hundred fifty-one".
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