Base | Representation |
---|---|
bin | 1101101111010000111011… |
… | …1101100101011011011001 |
3 | 1222111002022210100112020010 |
4 | 3123310032331211123121 |
5 | 3434442333124131040 |
6 | 52043235033152133 |
7 | 3116230054003551 |
oct | 333641675453331 |
9 | 58432283315203 |
10 | 15105651005145 |
11 | 48a42a8209468 |
12 | 183b6abb5b649 |
13 | 8575c270443c |
14 | 3a319025a161 |
15 | 1b2deca4ae80 |
hex | dbd0ef656d9 |
15105651005145 has 32 divisors (see below), whose sum is σ = 25591963557888. Its totient is φ = 7582084835328.
The previous prime is 15105651005129. The next prime is 15105651005153. The reversal of 15105651005145 is 54150015650151.
It is not a de Polignac number, because 15105651005145 - 24 = 15105651005129 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4023957 + ... + 6812013.
It is an arithmetic number, because the mean of its divisors is an integer number (799748861184).
Almost surely, 215105651005145 is an apocalyptic number.
15105651005145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
15105651005145 is a deficient number, since it is larger than the sum of its proper divisors (10486312552743).
15105651005145 is a wasteful number, since it uses less digits than its factorization.
15105651005145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2809329.
The product of its (nonzero) digits is 75000, while the sum is 39.
Adding to 15105651005145 its reverse (54150015650151), we get a palindrome (69255666655296).
The spelling of 15105651005145 in words is "fifteen trillion, one hundred five billion, six hundred fifty-one million, five thousand, one hundred forty-five".
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