Base | Representation |
---|---|
bin | 10000111101001000… |
… | …10111101000010010 |
3 | 212111101111101120202 |
4 | 20132210113220102 |
5 | 122120303110132 |
6 | 4103132135202 |
7 | 441401252621 |
oct | 103644275022 |
9 | 25441441522 |
10 | 9102785042 |
11 | 395131514a |
12 | 1920607502 |
13 | b20b5a650 |
14 | 624d2d6b8 |
15 | 384231762 |
hex | 21e917a12 |
9102785042 has 8 divisors (see below), whose sum is σ = 14704498956. Its totient is φ = 4201285392.
The previous prime is 9102785039. The next prime is 9102785059. The reversal of 9102785042 is 2405872019.
It can be written as a sum of positive squares in 2 ways, for example, as 7786474081 + 1316310961 = 88241^2 + 36281^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 9102784987 and 9102785005.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175053533 + ... + 175053584.
Almost surely, 29102785042 is an apocalyptic number.
9102785042 is a deficient number, since it is larger than the sum of its proper divisors (5601713914).
9102785042 is a wasteful number, since it uses less digits than its factorization.
9102785042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 350107132.
The product of its (nonzero) digits is 40320, while the sum is 38.
The square root of 9102785042 is about 95408.5166114640. The cubic root of 9102785042 is about 2087.9724422078.
The spelling of 9102785042 in words is "nine billion, one hundred two million, seven hundred eighty-five thousand, forty-two".
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