Base | Representation |
---|---|
bin | 10010011110111… |
… | …10000001010100 |
3 | 101210202100201010 |
4 | 21033132001110 |
5 | 304143100233 |
6 | 23215132220 |
7 | 3561622005 |
oct | 1117360124 |
9 | 353670633 |
10 | 155050068 |
11 | 7a581458 |
12 | 43b14070 |
13 | 26179704 |
14 | 168411ac |
15 | d92ab63 |
hex | 93de054 |
155050068 has 12 divisors (see below), whose sum is σ = 361783520. Its totient is φ = 51683352.
The previous prime is 155050067. The next prime is 155050073. The reversal of 155050068 is 860050551.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (155050067) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6460408 + ... + 6460431.
Almost surely, 2155050068 is an apocalyptic number.
It is an amenable number.
155050068 is an abundant number, since it is smaller than the sum of its proper divisors (206733452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
155050068 is a wasteful number, since it uses less digits than its factorization.
155050068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12920846 (or 12920844 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 30.
The square root of 155050068 is about 12451.9102149028. The cubic root of 155050068 is about 537.2263678792.
The spelling of 155050068 in words is "one hundred fifty-five million, fifty thousand, sixty-eight".
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