Base | Representation |
---|---|
bin | 1101101001110100000111… |
… | …0110010000010101011010 |
3 | 1222011010122011112000222212 |
4 | 3122131001312100111122 |
5 | 3431424101423104432 |
6 | 51532231422115122 |
7 | 3106403510564411 |
oct | 332350166202532 |
9 | 58133564460885 |
10 | 15012015441242 |
11 | 4868618399406 |
12 | 182551971baa2 |
13 | 84b81c62c721 |
14 | 39c82a592478 |
15 | 1b076c4352b2 |
hex | da741d9055a |
15012015441242 has 16 divisors (see below), whose sum is σ = 22751583160320. Its totient is φ = 7428164016768.
The previous prime is 15012015441197. The next prime is 15012015441337. The reversal of 15012015441242 is 24214451021051.
It is a junction number, because it is equal to n+sod(n) for n = 15012015441199 and 15012015441208.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 729509 + ... + 5527767.
It is an arithmetic number, because the mean of its divisors is an integer number (1421973947520).
Almost surely, 215012015441242 is an apocalyptic number.
15012015441242 is a deficient number, since it is larger than the sum of its proper divisors (7739567719078).
15012015441242 is a wasteful number, since it uses less digits than its factorization.
15012015441242 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4814485.
The product of its (nonzero) digits is 12800, while the sum is 32.
Adding to 15012015441242 its reverse (24214451021051), we get a palindrome (39226466462293).
The spelling of 15012015441242 in words is "fifteen trillion, twelve billion, fifteen million, four hundred forty-one thousand, two hundred forty-two".
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