Base | Representation |
---|---|
bin | 10000101101010100… |
… | …000001101110101110 |
3 | 1201022021110012021010 |
4 | 100231110001232232 |
5 | 243220131000440 |
6 | 12124102250050 |
7 | 1203400165446 |
oct | 205524015656 |
9 | 51267405233 |
10 | 17940093870 |
11 | 7676796066 |
12 | 3588126926 |
13 | 18cb9b727a |
14 | c228b5126 |
15 | 6eeec3580 |
hex | 42d501bae |
17940093870 has 16 divisors (see below), whose sum is σ = 43056225360. Its totient is φ = 4784025024.
The previous prime is 17940093841. The next prime is 17940093877. The reversal of 17940093870 is 7839004971.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (17940093877) 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, 299001535 + ... + 299001594.
It is an arithmetic number, because the mean of its divisors is an integer number (2691014085).
Almost surely, 217940093870 is an apocalyptic number.
17940093870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
17940093870 is an abundant number, since it is smaller than the sum of its proper divisors (25116131490).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
17940093870 is a wasteful number, since it uses less digits than its factorization.
17940093870 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 598003139.
The product of its (nonzero) digits is 381024, while the sum is 48.
The spelling of 17940093870 in words is "seventeen billion, nine hundred forty million, ninety-three thousand, eight hundred seventy".
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