Base | Representation |
---|---|
bin | 10010000000111… |
… | …01010100100101 |
3 | 101112100102212112 |
4 | 21000131110211 |
5 | 302141140140 |
6 | 22554530405 |
7 | 3513312434 |
oct | 1100352445 |
9 | 345312775 |
10 | 151115045 |
11 | 78333a74 |
12 | 42736a05 |
13 | 253cc5b3 |
14 | 160d911b |
15 | d3eec65 |
hex | 901d525 |
151115045 has 4 divisors (see below), whose sum is σ = 181338060. Its totient is φ = 120892032.
The previous prime is 151115033. The next prime is 151115059. The reversal of 151115045 is 540511151.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 540511151 = 89 ⋅6073159.
It can be written as a sum of positive squares in 2 ways, for example, as 66161956 + 84953089 = 8134^2 + 9217^2 .
It is a cyclic number.
It is not a de Polignac number, because 151115045 - 224 = 134337829 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 151115045.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15111500 + ... + 15111509.
It is an arithmetic number, because the mean of its divisors is an integer number (45334515).
Almost surely, 2151115045 is an apocalyptic number.
It is an amenable number.
151115045 is a deficient number, since it is larger than the sum of its proper divisors (30223015).
151115045 is an equidigital number, since it uses as much as digits as its factorization.
151115045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30223014.
The product of its (nonzero) digits is 500, while the sum is 23.
The square root of 151115045 is about 12292.8859508254. The cubic root of 151115045 is about 532.6426047274.
Adding to 151115045 its reverse (540511151), we get a palindrome (691626196).
The spelling of 151115045 in words is "one hundred fifty-one million, one hundred fifteen thousand, forty-five".
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