Base | Representation |
---|---|
bin | 10010000001110… |
… | …00101101001001 |
3 | 101112120010201202 |
4 | 21000320231021 |
5 | 302203232314 |
6 | 23001153545 |
7 | 3514260440 |
oct | 1100705511 |
9 | 345503652 |
10 | 151227209 |
11 | 78400271 |
12 | 4278b8b5 |
13 | 2543b673 |
14 | 16127d57 |
15 | d4230de |
hex | 9038b49 |
151227209 has 8 divisors (see below), whose sum is σ = 173204928. Its totient is φ = 129342960.
The previous prime is 151227203. The next prime is 151227211. The reversal of 151227209 is 902722151.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 151227209 - 224 = 134449993 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (151227203) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 19862 + ... + 26399.
It is an arithmetic number, because the mean of its divisors is an integer number (21650616).
Almost surely, 2151227209 is an apocalyptic number.
It is an amenable number.
151227209 is a deficient number, since it is larger than the sum of its proper divisors (21977719).
151227209 is an equidigital number, since it uses as much as digits as its factorization.
151227209 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46735.
The product of its (nonzero) digits is 2520, while the sum is 29.
The square root of 151227209 is about 12297.4472554266. The cubic root of 151227209 is about 532.7743554516.
The spelling of 151227209 in words is "one hundred fifty-one million, two hundred twenty-seven thousand, two hundred nine".
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