Base | Representation |
---|---|
bin | 1000001101001110111011… |
… | …10011110101000111000000 |
3 | 2100220021011000122200012200 |
4 | 10012213131303311013000 |
5 | 4331140002003241422 |
6 | 102214342143553200 |
7 | 3541562325100500 |
oct | 406473563650700 |
9 | 70807130580180 |
10 | 18046878962112 |
11 | 5828702769350 |
12 | 20357332bb800 |
13 | a0ba76009700 |
14 | 46568b7c9a00 |
15 | 21469274b2ac |
hex | 1069ddcf51c0 |
18046878962112 has 3024 divisors, whose sum is σ = 76744875841920. Its totient is φ = 3994350796800.
The previous prime is 18046878962087. The next prime is 18046878962171. The reversal of 18046878962112 is 21126987864081.
18046878962112 is a `hidden beast` number, since 1 + 8 + 0 + 468 + 78 + 96 + 2 + 1 + 12 = 666.
It is a Harshad number since it is a multiple of its sum of digits (63).
It is a self number, because there is not a number n which added to its sum of digits gives 18046878962112.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 42866695662 + ... + 42866696082.
Almost surely, 218046878962112 is an apocalyptic number.
18046878962112 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 18046878962112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38372437920960).
18046878962112 is an abundant number, since it is smaller than the sum of its proper divisors (58697996879808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18046878962112 is a wasteful number, since it uses less digits than its factorization.
18046878962112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 552 (or 519 counting only the distinct ones).
The product of its (nonzero) digits is 18579456, while the sum is 63.
The spelling of 18046878962112 in words is "eighteen trillion, forty-six billion, eight hundred seventy-eight million, nine hundred sixty-two thousand, one hundred twelve".
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