Base | Representation |
---|---|
bin | 10011001100011… |
… | …01100110110100 |
3 | 102012222021010220 |
4 | 21212031212310 |
5 | 312204342043 |
6 | 23551014340 |
7 | 3663403113 |
oct | 1146154664 |
9 | 365867126 |
10 | 161012148 |
11 | 829838a0 |
12 | 45b0a3b0 |
13 | 2748637b |
14 | 17553c7a |
15 | e207483 |
hex | 998d9b4 |
161012148 has 24 divisors (see below), whose sum is σ = 409849440. Its totient is φ = 48791520.
The previous prime is 161012129. The next prime is 161012221. The reversal of 161012148 is 841210161.
161012148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
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, 609763 + ... + 610026.
It is an arithmetic number, because the mean of its divisors is an integer number (17077060).
Almost surely, 2161012148 is an apocalyptic number.
It is an amenable number.
161012148 is an abundant number, since it is smaller than the sum of its proper divisors (248837292).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
161012148 is a wasteful number, since it uses less digits than its factorization.
161012148 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1219807 (or 1219805 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 24.
The square root of 161012148 is about 12689.0562296808. The cubic root of 161012148 is about 544.0258647232.
The spelling of 161012148 in words is "one hundred sixty-one million, twelve thousand, one hundred forty-eight".
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