Base | Representation |
---|---|
bin | 10000101000110001… |
… | …110000100110010110 |
3 | 1201002222021022202120 |
4 | 100220301300212112 |
5 | 243041141030232 |
6 | 12112343320410 |
7 | 1201454340213 |
oct | 205061604626 |
9 | 51088238676 |
10 | 17864001942 |
11 | 7637844076 |
12 | 3566750106 |
13 | 18b8cc4967 |
14 | c16748b0a |
15 | 6e849292c |
hex | 428c70996 |
17864001942 has 32 divisors (see below), whose sum is σ = 35969011200. Its totient is φ = 5914627488.
The previous prime is 17864001941. The next prime is 17864001979. The reversal of 17864001942 is 24910046871.
17864001942 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 17864001894 and 17864001903.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (17864001941) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 553609 + ... + 584987.
It is an arithmetic number, because the mean of its divisors is an integer number (1124031600).
Almost surely, 217864001942 is an apocalyptic number.
17864001942 is an abundant number, since it is smaller than the sum of its proper divisors (18105009258).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
17864001942 is a wasteful number, since it uses less digits than its factorization.
17864001942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32020.
The product of its (nonzero) digits is 96768, while the sum is 42.
The spelling of 17864001942 in words is "seventeen billion, eight hundred sixty-four million, one thousand, nine hundred forty-two".
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