Base | Representation |
---|---|
bin | 10010010000010… |
… | …10101110011111 |
3 | 101200011010010212 |
4 | 21020022232133 |
5 | 303200323111 |
6 | 23110123035 |
7 | 3536430506 |
oct | 1110125637 |
9 | 350133125 |
10 | 153136031 |
11 | 79494404 |
12 | 4335047b |
13 | 25959449 |
14 | 164a383d |
15 | d69d98b |
hex | 920ab9f |
153136031 has 2 divisors, whose sum is σ = 153136032. Its totient is φ = 153136030.
The previous prime is 153136021. The next prime is 153136121. The reversal of 153136031 is 130631351.
It is a happy number.
153136031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is an emirp because it is prime and its reverse (130631351) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 153136031 - 210 = 153135007 is a prime.
It is a super-2 number, since 2×1531360312 = 46901287980865922, which contains 22 as substring.
It is a Sophie Germain prime.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 153135988 and 153136006.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (153136021) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76568015 + 76568016.
It is an arithmetic number, because the mean of its divisors is an integer number (76568016).
Almost surely, 2153136031 is an apocalyptic number.
153136031 is a deficient number, since it is larger than the sum of its proper divisors (1).
153136031 is an equidigital number, since it uses as much as digits as its factorization.
153136031 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 810, while the sum is 23.
The square root of 153136031 is about 12374.8143824463. The cubic root of 153136031 is about 535.0065868115.
Adding to 153136031 its reverse (130631351), we get a palindrome (283767382).
The spelling of 153136031 in words is "one hundred fifty-three million, one hundred thirty-six thousand, thirty-one".
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