Base | Representation |
---|---|
bin | 10001010011111… |
… | …00101000111011 |
3 | 101010020122011201 |
4 | 20221330220323 |
5 | 244133322021 |
6 | 22224235031 |
7 | 3412204315 |
oct | 1051745073 |
9 | 333218151 |
10 | 145214011 |
11 | 74a73488 |
12 | 4076ba77 |
13 | 24114667 |
14 | 154007b5 |
15 | cb36591 |
hex | 8a7ca3b |
145214011 has 8 divisors (see below), whose sum is σ = 151954704. Its totient is φ = 138621600.
The previous prime is 145213997. The next prime is 145214039. The reversal of 145214011 is 110412541.
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 145214011 - 29 = 145213499 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 145214011.
It is not an unprimeable number, because it can be changed into a prime (145214911) 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, 35065 + ... + 38986.
It is an arithmetic number, because the mean of its divisors is an integer number (18994338).
Almost surely, 2145214011 is an apocalyptic number.
145214011 is a deficient number, since it is larger than the sum of its proper divisors (6740693).
145214011 is an equidigital number, since it uses as much as digits as its factorization.
145214011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74141.
The product of its (nonzero) digits is 160, while the sum is 19.
The square root of 145214011 is about 12050.4776253890. The cubic root of 145214011 is about 525.6171258475.
Adding to 145214011 its reverse (110412541), we get a palindrome (255626552).
The spelling of 145214011 in words is "one hundred forty-five million, two hundred fourteen thousand, eleven".
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