Base | Representation |
---|---|
bin | 10011001100111… |
… | …00111110001011 |
3 | 102020002110110211 |
4 | 21212130332023 |
5 | 312213400313 |
6 | 23552221551 |
7 | 3664054441 |
oct | 1146347613 |
9 | 366073424 |
10 | 161075083 |
11 | 82a17104 |
12 | 45b3a8b7 |
13 | 274a8c00 |
14 | 1756cb91 |
15 | e21ae3d |
hex | 999cf8b |
161075083 has 12 divisors (see below), whose sum is σ = 175111968. Its totient is φ = 148093920.
The previous prime is 161075081. The next prime is 161075093. The reversal of 161075083 is 380570161.
It is not a de Polignac number, because 161075083 - 21 = 161075081 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (161075081) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44041 + ... + 47557.
It is an arithmetic number, because the mean of its divisors is an integer number (14592664).
Almost surely, 2161075083 is an apocalyptic number.
161075083 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
161075083 is a deficient number, since it is larger than the sum of its proper divisors (14036885).
161075083 is a wasteful number, since it uses less digits than its factorization.
161075083 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3814 (or 3801 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 31.
The square root of 161075083 is about 12691.5358802629. The cubic root of 161075083 is about 544.0967368246.
The spelling of 161075083 in words is "one hundred sixty-one million, seventy-five thousand, eighty-three".
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