Base | Representation |
---|---|
bin | 1000001101111000111001… |
… | …10010110001100010000000 |
3 | 2100222102022021200200221020 |
4 | 10012330130302301202000 |
5 | 4332022123041031100 |
6 | 102232550024425440 |
7 | 3543320556640620 |
oct | 406743462614200 |
9 | 70872267620836 |
10 | 18069410486400 |
11 | 5837215172aa9 |
12 | 2039b81018280 |
13 | a10c270004c0 |
14 | 4667c7daa880 |
15 | 21506086d5a0 |
hex | 106f1ccb1880 |
18069410486400 has 3072 divisors, whose sum is σ = 79805812101120. Its totient is φ = 3486190141440.
The previous prime is 18069410486399. The next prime is 18069410486509. The reversal of 18069410486400 is 468401496081.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (51).
It is an unprimeable number.
It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 131893507132 + ... + 131893507268.
It is an arithmetic number, because the mean of its divisors is an integer number (25978454460).
Almost surely, 218069410486400 is an apocalyptic number.
18069410486400 is a gapful number since it is divisible by the number (10) 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 18069410486400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39902906050560).
18069410486400 is an abundant number, since it is smaller than the sum of its proper divisors (61736401614720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18069410486400 is a wasteful number, since it uses less digits than its factorization.
18069410486400 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 391 (or 374 counting only the distinct ones).
The product of its (nonzero) digits is 1327104, while the sum is 51.
The spelling of 18069410486400 in words is "eighteen trillion, sixty-nine billion, four hundred ten million, four hundred eighty-six thousand, four hundred".
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