Base | Representation |
---|---|
bin | 10001001101000110… |
… | …101011100001011100 |
3 | 1202200110002022012112 |
4 | 101031012223201130 |
5 | 300313201402243 |
6 | 12253034253152 |
7 | 1222534604210 |
oct | 211506534134 |
9 | 52613068175 |
10 | 18473465948 |
11 | 791a876433 |
12 | 36b68871b8 |
13 | 1985355152 |
14 | c73676940 |
15 | 731c2e818 |
hex | 44d1ab85c |
18473465948 has 12 divisors (see below), whose sum is σ = 36946931952. Its totient is φ = 7917199680.
The previous prime is 18473465911. The next prime is 18473465963. The reversal of 18473465948 is 84956437481.
18473465948 is an admirable number.
It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
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, 329883293 + ... + 329883348.
It is an arithmetic number, because the mean of its divisors is an integer number (3078910996).
Almost surely, 218473465948 is an apocalyptic number.
It is an amenable number.
18473465948 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18473465948 is a wasteful number, since it uses less digits than its factorization.
18473465948 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 659766652 (or 659766650 counting only the distinct ones).
The product of its digits is 23224320, while the sum is 59.
The spelling of 18473465948 in words is "eighteen billion, four hundred seventy-three million, four hundred sixty-five thousand, nine hundred forty-eight".
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