Base | Representation |
---|---|
bin | 10000110001100000… |
… | …000111000001000000 |
3 | 1201111011200121010220 |
4 | 100301200013001000 |
5 | 243341123320422 |
6 | 12135052423040 |
7 | 1205212422450 |
oct | 206140070100 |
9 | 51434617126 |
10 | 18010370112 |
11 | 77024256a9 |
12 | 35a7777a80 |
13 | 1910421747 |
14 | c2bd69d60 |
15 | 706255e5c |
hex | 431807040 |
18010370112 has 448 divisors, whose sum is σ = 59727144960. Its totient is φ = 4673470464.
The previous prime is 18010370107. The next prime is 18010370117. The reversal of 18010370112 is 21107301081.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (18010370107) and next prime (18010370117).
It is a tau number, because it is divible by the number of its divisors (448).
It is a Harshad number since it is a multiple of its sum of digits (24).
It is not an unprimeable number, because it can be changed into a prime (18010370117) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 129570939 + ... + 129571077.
It is an arithmetic number, because the mean of its divisors is an integer number (133319520).
Almost surely, 218010370112 is an apocalyptic number.
18010370112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 18010370112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29863572480).
18010370112 is an abundant number, since it is smaller than the sum of its proper divisors (41716774848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18010370112 is a wasteful number, since it uses less digits than its factorization.
18010370112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 338 (or 328 counting only the distinct ones).
The product of its (nonzero) digits is 336, while the sum is 24.
Adding to 18010370112 its reverse (21107301081), we get a palindrome (39117671193).
The spelling of 18010370112 in words is "eighteen billion, ten million, three hundred seventy thousand, one hundred twelve".
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