Base | Representation |
---|---|
bin | 10010000001001… |
… | …00001100110011 |
3 | 101112101212112000 |
4 | 21000210030303 |
5 | 302143040334 |
6 | 22555305043 |
7 | 3513460533 |
oct | 1100441463 |
9 | 345355460 |
10 | 151143219 |
11 | 78353157 |
12 | 4274b183 |
13 | 2540c376 |
14 | 161054c3 |
15 | d408299 |
hex | 9024333 |
151143219 has 8 divisors (see below), whose sum is σ = 223915920. Its totient is φ = 100762128.
The previous prime is 151143193. The next prime is 151143221. The reversal of 151143219 is 912341151.
It is a happy number.
It is not a de Polignac number, because 151143219 - 28 = 151142963 is a prime.
It is a super-2 number, since 2×1511432192 = 45688545299363922, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 5597897 = 151143219 / (1 + 5 + 1 + 1 + 4 + 3 + 2 + 1 + 9).
It is a junction number, because it is equal to n+sod(n) for n = 151143192 and 151143201.
It is not an unprimeable number, because it can be changed into a prime (151143229) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2798922 + ... + 2798975.
It is an arithmetic number, because the mean of its divisors is an integer number (27989490).
Almost surely, 2151143219 is an apocalyptic number.
151143219 is a deficient number, since it is larger than the sum of its proper divisors (72772701).
151143219 is an equidigital number, since it uses as much as digits as its factorization.
151143219 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5597906 (or 5597900 counting only the distinct ones).
The product of its digits is 1080, while the sum is 27.
The square root of 151143219 is about 12294.0318447611. The cubic root of 151143219 is about 532.6757047632.
The spelling of 151143219 in words is "one hundred fifty-one million, one hundred forty-three thousand, two hundred nineteen".
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