| Base | Representation |
|---|---|
| bin | 11010001110001011000… |
| … | …000010110100000000000 |
| 3 | 20101021002010211010201020 |
| 4 | 122032023000112200000 |
| 5 | 214010314344002313 |
| 6 | 3455443040305440 |
| 7 | 244120225242000 |
| oct | 32161300264000 |
| 9 | 6337063733636 |
| 10 | 1801923422208 |
| 11 | 635211883218 |
| 12 | 251284612280 |
| 13 | 100bc7889a60 |
| 14 | 632dc012000 |
| 15 | 31d13841323 |
| hex | 1a38b016800 |
1801923422208 has 1536 divisors, whose sum is σ = 6597811584000. Its totient is φ = 432827006976.
The previous prime is 1801923422177. The next prime is 1801923422239. The reversal of 1801923422208 is 8022243291081.
It is an interprime number because it is at equal distance from previous prime (1801923422177) and next prime (1801923422239).
It is a tau number, because it is divible by the number of its divisors (1536).
It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a self number, because there is not a number n which added to its sum of digits gives 1801923422208.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 24683882460 + ... + 24683882532.
It is an arithmetic number, because the mean of its divisors is an integer number (4295450250).
Almost surely, 21801923422208 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1801923422208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3298905792000).
1801923422208 is an abundant number, since it is smaller than the sum of its proper divisors (4795888161792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1801923422208 is a wasteful number, since it uses less digits than its factorization.
1801923422208 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 202 (or 168 counting only the distinct ones).
The product of its (nonzero) digits is 110592, while the sum is 42.
The spelling of 1801923422208 in words is "one trillion, eight hundred one billion, nine hundred twenty-three million, four hundred twenty-two thousand, two hundred eight".
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