Base | Representation |
---|---|
bin | 1001100011100… |
… | …11000100100101 |
3 | 12120211201010001 |
4 | 10301303010211 |
5 | 131010204414 |
6 | 11542101301 |
7 | 1662242455 |
oct | 461630445 |
9 | 176751101 |
10 | 80163109 |
11 | 41282804 |
12 | 22a1a831 |
13 | 137b96c0 |
14 | a909d65 |
15 | 7087074 |
hex | 4c73125 |
80163109 has 24 divisors (see below), whose sum is σ = 96619040. Its totient is φ = 65919744.
The previous prime is 80163103. The next prime is 80163121. The reversal of 80163109 is 90136108.
It is a happy number.
It is not a de Polignac number, because 80163109 - 29 = 80162597 is a prime.
It is a super-2 number, since 2×801631092 = 12852248089091762, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80163103) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70822 + ... + 71944.
Almost surely, 280163109 is an apocalyptic number.
It is an amenable number.
80163109 is a deficient number, since it is larger than the sum of its proper divisors (16455931).
80163109 is a wasteful number, since it uses less digits than its factorization.
80163109 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1189 (or 1172 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 28.
The square root of 80163109 is about 8953.3853374017. The cubic root of 80163109 is about 431.1795789514.
The spelling of 80163109 in words is "eighty million, one hundred sixty-three thousand, one hundred nine".
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