Base | Representation |
---|---|
bin | 1000011110001101111… |
… | …1101110110111001111 |
3 | 111220200200020222201102 |
4 | 2013203133232313033 |
5 | 4341041432322330 |
6 | 150510503533315 |
7 | 13341611154362 |
oct | 2074337566717 |
9 | 456620228642 |
10 | 145550667215 |
11 | 56800614618 |
12 | 2426075a23b |
13 | 10957835975 |
14 | 708a8b40d9 |
15 | 3bbd19d945 |
hex | 21e37eedcf |
145550667215 has 16 divisors (see below), whose sum is σ = 176561833536. Its totient is φ = 115175424000.
The previous prime is 145550667179. The next prime is 145550667239. The reversal of 145550667215 is 512766055541.
It is not a de Polignac number, because 145550667215 - 218 = 145550405071 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 145550667215.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 380879 + ... + 660431.
It is an arithmetic number, because the mean of its divisors is an integer number (11035114596).
Almost surely, 2145550667215 is an apocalyptic number.
145550667215 is a deficient number, since it is larger than the sum of its proper divisors (31011166321).
145550667215 is a wasteful number, since it uses less digits than its factorization.
145550667215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 280690.
The product of its (nonzero) digits is 1260000, while the sum is 47.
The spelling of 145550667215 in words is "one hundred forty-five billion, five hundred fifty million, six hundred sixty-seven thousand, two hundred fifteen".
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