Base | Representation |
---|---|
bin | 10010011111011… |
… | …10001000000101 |
3 | 101210212201012102 |
4 | 21033232020011 |
5 | 304202203122 |
6 | 23220401445 |
7 | 3562315226 |
oct | 1117561005 |
9 | 353781172 |
10 | 155116037 |
11 | 7a616a7a |
12 | 43b46285 |
13 | 261a074b |
14 | 1685b24d |
15 | d940492 |
hex | 93ee205 |
155116037 has 4 divisors (see below), whose sum is σ = 155141100. Its totient is φ = 155090976.
The previous prime is 155116009. The next prime is 155116051. The reversal of 155116037 is 730611551.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 730611551 = 8329 ⋅87719.
It can be written as a sum of positive squares in 2 ways, for example, as 73376356 + 81739681 = 8566^2 + 9041^2 .
It is a cyclic number.
It is not a de Polignac number, because 155116037 - 218 = 154853893 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 (155116097) 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, 4193 + ... + 18105.
It is an arithmetic number, because the mean of its divisors is an integer number (38785275).
Almost surely, 2155116037 is an apocalyptic number.
It is an amenable number.
155116037 is a deficient number, since it is larger than the sum of its proper divisors (25063).
155116037 is a wasteful number, since it uses less digits than its factorization.
155116037 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25062.
The product of its (nonzero) digits is 3150, while the sum is 29.
The square root of 155116037 is about 12454.5588841998. The cubic root of 155116037 is about 537.3025481343.
Adding to 155116037 its reverse (730611551), we get a palindrome (885727588).
The spelling of 155116037 in words is "one hundred fifty-five million, one hundred sixteen thousand, thirty-seven".
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