Base | Representation |
---|---|
bin | 100111010010111010… |
… | …001001101101011101 |
3 | 11000220111212212111100 |
4 | 213102322021231131 |
5 | 1142402422241044 |
6 | 31214441543313 |
7 | 3022404662202 |
oct | 472272115535 |
9 | 130814785440 |
10 | 42193165149 |
11 | 16991a3a523 |
12 | 82164a4b39 |
13 | 3c9555cc15 |
14 | 2083989ca9 |
15 | 116e303869 |
hex | 9d2e89b5d |
42193165149 has 12 divisors (see below), whose sum is σ = 62432163612. Its totient is φ = 27442708800.
The previous prime is 42193165129. The next prime is 42193165151. The reversal of 42193165149 is 94156139124.
42193165149 is a `hidden beast` number, since 42 + 1 + 93 + 1 + 6 + 514 + 9 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 937461924 + 41255703225 = 30618^2 + 203115^2 .
It is not a de Polignac number, because 42193165149 - 25 = 42193165117 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42193165129) 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, 57171942 + ... + 57172679.
It is an arithmetic number, because the mean of its divisors is an integer number (5202680301).
Almost surely, 242193165149 is an apocalyptic number.
It is an amenable number.
42193165149 is a deficient number, since it is larger than the sum of its proper divisors (20238998463).
42193165149 is a wasteful number, since it uses less digits than its factorization.
42193165149 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 114344668 (or 114344665 counting only the distinct ones).
The product of its digits is 233280, while the sum is 45.
The spelling of 42193165149 in words is "forty-two billion, one hundred ninety-three million, one hundred sixty-five thousand, one hundred forty-nine".
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