Base | Representation |
---|---|
bin | 10010011111010… |
… | …11101101011111 |
3 | 101210212012121222 |
4 | 21033223231133 |
5 | 304201344033 |
6 | 23220243555 |
7 | 3562244333 |
oct | 1117535537 |
9 | 353765558 |
10 | 155106143 |
11 | 7a60a5a5 |
12 | 43b405bb |
13 | 261990aa |
14 | 168577c3 |
15 | d93c598 |
hex | 93ebb5f |
155106143 has 8 divisors (see below), whose sum is σ = 159087456. Its totient is φ = 151164000.
The previous prime is 155106137. The next prime is 155106179. The reversal of 155106143 is 341601551.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 155106143 - 212 = 155102047 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (155106643) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1688 + ... + 17693.
It is an arithmetic number, because the mean of its divisors is an integer number (19885932).
Almost surely, 2155106143 is an apocalyptic number.
155106143 is a deficient number, since it is larger than the sum of its proper divisors (3981313).
155106143 is a wasteful number, since it uses less digits than its factorization.
155106143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19585.
The product of its (nonzero) digits is 1800, while the sum is 26.
The square root of 155106143 is about 12454.1616739145. The cubic root of 155106143 is about 537.2911240320.
Adding to 155106143 its reverse (341601551), we get a palindrome (496707694).
The spelling of 155106143 in words is "one hundred fifty-five million, one hundred six thousand, one hundred forty-three".
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