Base | Representation |
---|---|
bin | 1000110110101110001… |
… | …0111000011000011001 |
3 | 112112200001222022100122 |
4 | 2031223202320120121 |
5 | 4443024302130210 |
6 | 153515310243025 |
7 | 13663610015111 |
oct | 2155342703031 |
9 | 475601868318 |
10 | 152128161305 |
11 | 5957642124a |
12 | 255974b6475 |
13 | 1146544a3c3 |
14 | 751228c041 |
15 | 3e5585ab55 |
hex | 236b8b8619 |
152128161305 has 4 divisors (see below), whose sum is σ = 182553793572. Its totient is φ = 121702529040.
The previous prime is 152128161301. The next prime is 152128161313. The reversal of 152128161305 is 503161821251.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 90622673296 + 61505488009 = 301036^2 + 248003^2 .
It is not a de Polignac number, because 152128161305 - 22 = 152128161301 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (152128161301) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15212816126 + ... + 15212816135.
It is an arithmetic number, because the mean of its divisors is an integer number (45638448393).
Almost surely, 2152128161305 is an apocalyptic number.
It is an amenable number.
152128161305 is a deficient number, since it is larger than the sum of its proper divisors (30425632267).
152128161305 is an equidigital number, since it uses as much as digits as its factorization.
152128161305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30425632266.
The product of its (nonzero) digits is 14400, while the sum is 35.
Adding to 152128161305 its reverse (503161821251), we get a palindrome (655289982556).
The spelling of 152128161305 in words is "one hundred fifty-two billion, one hundred twenty-eight million, one hundred sixty-one thousand, three hundred five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •