Base | Representation |
---|---|
bin | 100111110001010000… |
… | …111000000001010111 |
3 | 11002020000011122011211 |
4 | 213301100320001113 |
5 | 1144423311012422 |
6 | 31341153242251 |
7 | 3041130511132 |
oct | 476120700127 |
9 | 132200148154 |
10 | 42702438487 |
11 | 17123460085 |
12 | 8338b63387 |
13 | 4046c10ba7 |
14 | 20d1477219 |
15 | 119dd9e577 |
hex | 9f1438057 |
42702438487 has 8 divisors (see below), whose sum is σ = 43784762112. Its totient is φ = 41627355000.
The previous prime is 42702438481. The next prime is 42702438509. The reversal of 42702438487 is 78483420724.
It is a happy number.
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 42702438487 - 23 = 42702438479 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 42702438487.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42702438481) 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, 1798089 + ... + 1821682.
It is an arithmetic number, because the mean of its divisors is an integer number (5473095264).
Almost surely, 242702438487 is an apocalyptic number.
42702438487 is a gapful number since it is divisible by the number (47) formed by its first and last digit.
42702438487 is a deficient number, since it is larger than the sum of its proper divisors (1082323625).
42702438487 is a wasteful number, since it uses less digits than its factorization.
42702438487 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3620069.
The product of its (nonzero) digits is 2408448, while the sum is 49.
The spelling of 42702438487 in words is "forty-two billion, seven hundred two million, four hundred thirty-eight thousand, four hundred eighty-seven".
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