Base | Representation |
---|---|
bin | 1001011111110011110… |
… | …1111010111000011100 |
3 | 120121010202100002110100 |
4 | 2113330331322320130 |
5 | 10133121404132343 |
6 | 202541555341100 |
7 | 14534130046311 |
oct | 2277475727034 |
9 | 517122302410 |
10 | 163157880348 |
11 | 63216408431 |
12 | 277552b1790 |
13 | 1250257bb88 |
14 | 7c7b096d08 |
15 | 439dd1a9d3 |
hex | 25fcf7ae1c |
163157880348 has 36 divisors (see below), whose sum is σ = 418582495240. Its totient is φ = 53574228576.
The previous prime is 163157880253. The next prime is 163157880367. The reversal of 163157880348 is 843088751361.
It is a happy number.
163157880348 is a `hidden beast` number, since 1 + 6 + 31 + 578 + 8 + 0 + 34 + 8 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-2 number, since 2×1631578803482 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 163157880294 and 163157880303.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33819703 + ... + 33824526.
Almost surely, 2163157880348 is an apocalyptic number.
163157880348 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
163157880348 is an abundant number, since it is smaller than the sum of its proper divisors (255424614892).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
163157880348 is a wasteful number, since it uses less digits than its factorization.
163157880348 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67644306 (or 67644301 counting only the distinct ones).
The product of its (nonzero) digits is 3870720, while the sum is 54.
The spelling of 163157880348 in words is "one hundred sixty-three billion, one hundred fifty-seven million, eight hundred eighty thousand, three hundred forty-eight".
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