| Base | Representation |
|---|---|
| bin | 1001011010011111100… |
| … | …0100011011110100000 |
| 3 | 120110110021022002211000 |
| 4 | 2112213320203132200 |
| 5 | 10122210441113100 |
| 6 | 202144203552000 |
| 7 | 14453554543326 |
| oct | 2264770433640 |
| 9 | 513407262730 |
| 10 | 161730410400 |
| 11 | 626536670a9 |
| 12 | 2741722b600 |
| 13 | 12335902bc0 |
| 14 | 7b83673d16 |
| 15 | 431884b900 |
| hex | 25a7e237a0 |
161730410400 has 288 divisors, whose sum is σ = 629920307520. Its totient is φ = 39810493440.
The previous prime is 161730410353. The next prime is 161730410411. The reversal of 161730410400 is 4014037161.
It is a happy number.
161730410400 is a `hidden beast` number, since 1 + 617 + 3 + 0 + 4 + 1 + 0 + 40 + 0 = 666.
161730410400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (288).
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7182 + ... + 568781.
It is an arithmetic number, because the mean of its divisors is an integer number (2187223290).
Almost surely, 2161730410400 is an apocalyptic number.
161730410400 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 161730410400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314960153760).
161730410400 is an abundant number, since it is smaller than the sum of its proper divisors (468189897120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
161730410400 is a wasteful number, since it uses less digits than its factorization.
161730410400 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 576005 (or 575986 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 27.
Adding to 161730410400 its reverse (4014037161), we get a palindrome (165744447561).
The spelling of 161730410400 in words is "one hundred sixty-one billion, seven hundred thirty million, four hundred ten thousand, four hundred".
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