| Base | Representation |
|---|---|
| bin | 110000111010001… |
| … | …1101111100111000 |
| 3 | 11020101002202111120 |
| 4 | 1201310131330320 |
| 5 | 11330113102440 |
| 6 | 430503225240 |
| 7 | 55445331510 |
| oct | 14164357470 |
| 9 | 4211082446 |
| 10 | 1641144120 |
| 11 | 772423960 |
| 12 | 399748220 |
| 13 | 2020102c5 |
| 14 | 117d64840 |
| 15 | 99129dd0 |
| hex | 61d1df38 |
1641144120 has 256 divisors, whose sum is σ = 6270566400. Its totient is φ = 333672960.
The previous prime is 1641144097. The next prime is 1641144161. The reversal of 1641144120 is 214411461.
It is a super-2 number, since 2×16411441202 = 5386708045221148800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 432391 + ... + 436169.
It is an arithmetic number, because the mean of its divisors is an integer number (24494400).
Almost surely, 21641144120 is an apocalyptic number.
1641144120 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 1641144120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3135283200).
1641144120 is an abundant number, since it is smaller than the sum of its proper divisors (4629422280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1641144120 is a wasteful number, since it uses less digits than its factorization.
1641144120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3858 (or 3854 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 24.
The square root of 1641144120 is about 40511.0370146211. The cubic root of 1641144120 is about 1179.5478781160.
Adding to 1641144120 its reverse (214411461), we get a palindrome (1855555581).
It can be divided in two parts, 16411441 and 20, that added together give a palindrome (16411461).
The spelling of 1641144120 in words is "one billion, six hundred forty-one million, one hundred forty-four thousand, one hundred twenty".
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