Base | Representation |
---|---|
bin | 10010000010011… |
… | …10100001000001 |
3 | 101112201200021111 |
4 | 21001032201001 |
5 | 302214112140 |
6 | 23003123321 |
7 | 3515112052 |
oct | 1101164101 |
9 | 345650244 |
10 | 151316545 |
11 | 784613a6 |
12 | 42813541 |
13 | 25470223 |
14 | 1614c729 |
15 | d43e7ea |
hex | 904e841 |
151316545 has 4 divisors (see below), whose sum is σ = 181579860. Its totient is φ = 121053232.
The previous prime is 151316531. The next prime is 151316567. The reversal of 151316545 is 545613151.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 545613151 = 157 ⋅3475243.
It can be written as a sum of positive squares in 2 ways, for example, as 111260304 + 40056241 = 10548^2 + 6329^2 .
It is a cyclic number.
It is not a de Polignac number, because 151316545 - 217 = 151185473 is a prime.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15131650 + ... + 15131659.
It is an arithmetic number, because the mean of its divisors is an integer number (45394965).
Almost surely, 2151316545 is an apocalyptic number.
It is an amenable number.
151316545 is a deficient number, since it is larger than the sum of its proper divisors (30263315).
151316545 is an equidigital number, since it uses as much as digits as its factorization.
151316545 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30263314.
The product of its digits is 9000, while the sum is 31.
The square root of 151316545 is about 12301.0790177122. The cubic root of 151316545 is about 532.8792452196.
Adding to 151316545 its reverse (545613151), we get a palindrome (696929696).
The spelling of 151316545 in words is "one hundred fifty-one million, three hundred sixteen thousand, five hundred forty-five".
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