Base | Representation |
---|---|
bin | 10001010010010… |
… | …10111101100011 |
3 | 101002212022001102 |
4 | 20221022331203 |
5 | 244110314111 |
6 | 22220025015 |
7 | 3410366141 |
oct | 1051127543 |
9 | 332768042 |
10 | 145010531 |
11 | 74944616 |
12 | 4069216b |
13 | 24072b63 |
14 | 1538a591 |
15 | cae613b |
hex | 8a4af63 |
145010531 has 2 divisors, whose sum is σ = 145010532. Its totient is φ = 145010530.
The previous prime is 145010521. The next prime is 145010533. The reversal of 145010531 is 135010541.
145010531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is an emirp because it is prime and its reverse (135010541) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 145010531 - 214 = 144994147 is a prime.
It is a super-2 number, since 2×1450105312 = 42056108201803922, which contains 22 as substring.
It is a Sophie Germain prime.
Together with 145010533, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (145010533) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72505265 + 72505266.
It is an arithmetic number, because the mean of its divisors is an integer number (72505266).
Almost surely, 2145010531 is an apocalyptic number.
145010531 is a deficient number, since it is larger than the sum of its proper divisors (1).
145010531 is an equidigital number, since it uses as much as digits as its factorization.
145010531 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 300, while the sum is 20.
The square root of 145010531 is about 12042.0318468272. The cubic root of 145010531 is about 525.3715054549.
It can be divided in two parts, 145010 and 531, that added together give a palindrome (145541).
The spelling of 145010531 in words is "one hundred forty-five million, ten thousand, five hundred thirty-one".
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