Base | Representation |
---|---|
bin | 10011100000001101111000… |
… | …10111010110001010010011 |
3 | 12121212002110221110020200022 |
4 | 21300012330113112022103 |
5 | 21110140430110443001 |
6 | 231114355110414055 |
7 | 12014404514561441 |
oct | 1160067427261223 |
9 | 177762427406608 |
10 | 42888408687251 |
11 | 12735965672936 |
12 | 498808936132b |
13 | 1ac148a016b9a |
14 | a83b4ab19b91 |
15 | 4e595c7d311b |
hex | 2701bc5d6293 |
42888408687251 has 8 divisors (see below), whose sum is σ = 42933841074000. Its totient is φ = 42842979440128.
The previous prime is 42888408687169. The next prime is 42888408687253. The reversal of 42888408687251 is 15278680488824.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 42888408687251 - 238 = 42613530780307 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (42888408687253) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27073355 + ... + 28613691.
It is an arithmetic number, because the mean of its divisors is an integer number (5366730134250).
Almost surely, 242888408687251 is an apocalyptic number.
42888408687251 is a deficient number, since it is larger than the sum of its proper divisors (45432386749).
42888408687251 is a wasteful number, since it uses less digits than its factorization.
42888408687251 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1569813.
The product of its (nonzero) digits is 440401920, while the sum is 71.
The spelling of 42888408687251 in words is "forty-two trillion, eight hundred eighty-eight billion, four hundred eight million, six hundred eighty-seven thousand, two hundred fifty-one".
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