Base | Representation |
---|---|
bin | 1001011001000011010… |
… | …0010001001000101010 |
3 | 120102110022002111001220 |
4 | 2112100310101020222 |
5 | 10120412403120410 |
6 | 202041541122510 |
7 | 14441145235365 |
oct | 2262064211052 |
9 | 512408074056 |
10 | 161343410730 |
11 | 62475170567 |
12 | 273296b9436 |
13 | 122a3693a08 |
14 | 7b480d50dc |
15 | 42e48a5070 |
hex | 2590d1122a |
161343410730 has 16 divisors (see below), whose sum is σ = 387224185824. Its totient is φ = 43024909520.
The previous prime is 161343410717. The next prime is 161343410747. The reversal of 161343410730 is 37014343161.
It is a junction number, because it is equal to n+sod(n) for n = 161343410691 and 161343410700.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2689056816 + ... + 2689056875.
It is an arithmetic number, because the mean of its divisors is an integer number (24201511614).
Almost surely, 2161343410730 is an apocalyptic number.
161343410730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
161343410730 is an abundant number, since it is smaller than the sum of its proper divisors (225880775094).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
161343410730 is a wasteful number, since it uses less digits than its factorization.
161343410730 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5378113701.
The product of its (nonzero) digits is 18144, while the sum is 33.
Adding to 161343410730 its reverse (37014343161), we get a palindrome (198357753891).
The spelling of 161343410730 in words is "one hundred sixty-one billion, three hundred forty-three million, four hundred ten thousand, seven hundred thirty".
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