Base | Representation |
---|---|
bin | 110111111000010010… |
… | …0001110011011111001 |
3 | 102110202000102222121012 |
4 | 1233300210032123321 |
5 | 3431230014121040 |
6 | 131043255323305 |
7 | 11445500255366 |
oct | 1576044163371 |
9 | 373660388535 |
10 | 120000145145 |
11 | 46989a54181 |
12 | 1b30b980535 |
13 | b41523845a |
14 | 5b4538346d |
15 | 31c4ed3865 |
hex | 1bf090e6f9 |
120000145145 has 16 divisors (see below), whose sum is σ = 150284149632. Its totient is φ = 91812082560.
The previous prime is 120000145117. The next prime is 120000145201. The reversal of 120000145145 is 541541000021.
It is not a de Polignac number, because 120000145145 - 212 = 120000141049 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (23).
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 120000145145.
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, 704390 + ... + 858000.
It is an arithmetic number, because the mean of its divisors is an integer number (9392759352).
Almost surely, 2120000145145 is an apocalyptic number.
It is an amenable number.
120000145145 is a deficient number, since it is larger than the sum of its proper divisors (30284004487).
120000145145 is a wasteful number, since it uses less digits than its factorization.
120000145145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 160432.
The product of its (nonzero) digits is 800, while the sum is 23.
Adding to 120000145145 its reverse (541541000021), we get a palindrome (661541145166).
The spelling of 120000145145 in words is "one hundred twenty billion, one hundred forty-five thousand, one hundred forty-five".
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