Base | Representation |
---|---|
bin | 10011001111011… |
… | …11100000011011 |
3 | 102020201122012201 |
4 | 21213233200123 |
5 | 312310210042 |
6 | 24003351031 |
7 | 3666663160 |
oct | 1147574033 |
9 | 366648181 |
10 | 161413147 |
11 | 831280a5 |
12 | 46082477 |
13 | 27596a4c |
14 | 1761a067 |
15 | e2861b7 |
hex | 99ef81b |
161413147 has 24 divisors (see below), whose sum is σ = 198827936. Its totient is φ = 128314368.
The previous prime is 161413127. The next prime is 161413183. The reversal of 161413147 is 741314161.
It is a happy number.
It is not a de Polignac number, because 161413147 - 215 = 161380379 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (161413127) 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, 147133 + ... + 148225.
Almost surely, 2161413147 is an apocalyptic number.
161413147 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
161413147 is a deficient number, since it is larger than the sum of its proper divisors (37414789).
161413147 is a wasteful number, since it uses less digits than its factorization.
161413147 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1207 (or 1190 counting only the distinct ones).
The product of its digits is 2016, while the sum is 28.
The square root of 161413147 is about 12704.8473820035. The cubic root of 161413147 is about 544.4771204770.
The spelling of 161413147 in words is "one hundred sixty-one million, four hundred thirteen thousand, one hundred forty-seven".
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