Base | Representation |
---|---|
bin | 10000110100111000… |
… | …011001110110110000 |
3 | 1201122010101021021222 |
4 | 100310320121312300 |
5 | 244000132223014 |
6 | 12144440004212 |
7 | 1206501364406 |
oct | 206470316660 |
9 | 51563337258 |
10 | 18067070384 |
11 | 7731432430 |
12 | 3602760668 |
13 | 191c0b47bc |
14 | c356c9476 |
15 | 70b20608e |
hex | 434e19db0 |
18067070384 has 40 divisors (see below), whose sum is σ = 38254307520. Its totient is φ = 8197876800.
The previous prime is 18067070339. The next prime is 18067070429. The reversal of 18067070384 is 48307076081.
It is an interprime number because it is at equal distance from previous prime (18067070339) and next prime (18067070429).
It is a Harshad number since it is a multiple of its sum of digits (44).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10607 + ... + 190385.
It is an arithmetic number, because the mean of its divisors is an integer number (956357688).
Almost surely, 218067070384 is an apocalyptic number.
It is an amenable number.
18067070384 is an abundant number, since it is smaller than the sum of its proper divisors (20187237136).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18067070384 is a wasteful number, since it uses less digits than its factorization.
18067070384 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 180369 (or 180363 counting only the distinct ones).
The product of its (nonzero) digits is 225792, while the sum is 44.
The spelling of 18067070384 in words is "eighteen billion, sixty-seven million, seventy thousand, three hundred eighty-four".
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