Base | Representation |
---|---|
bin | 10000110011010000… |
… | …01110101001010110 |
3 | 212021121112221102020 |
4 | 20121220032221112 |
5 | 121433044120432 |
6 | 4051011554010 |
7 | 436343655603 |
oct | 103150165126 |
9 | 25247487366 |
10 | 9019910742 |
11 | 3909560497 |
12 | 18b88bb906 |
13 | b09931bbb |
14 | 617d196aa |
15 | 37bd1122c |
hex | 219a0ea56 |
9019910742 has 16 divisors (see below), whose sum is σ = 18050133360. Its totient is φ = 3004918272.
The previous prime is 9019910707. The next prime is 9019910749. The reversal of 9019910742 is 2470199109.
It is a junction number, because it is equal to n+sod(n) for n = 9019910694 and 9019910703.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9019910749) 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, 418267 + ... + 439302.
It is an arithmetic number, because the mean of its divisors is an integer number (1128133335).
Almost surely, 29019910742 is an apocalyptic number.
9019910742 is an abundant number, since it is smaller than the sum of its proper divisors (9030222618).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9019910742 is a wasteful number, since it uses less digits than its factorization.
9019910742 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 859327.
The product of its (nonzero) digits is 40824, while the sum is 42.
The square root of 9019910742 is about 94973.2106543735. The cubic root of 9019910742 is about 2081.6166196522.
The spelling of 9019910742 in words is "nine billion, nineteen million, nine hundred ten thousand, seven hundred forty-two".
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