Base | Representation |
---|---|
bin | 11100100000100000… |
… | …01001000100000000 |
3 | 1110111122011012221012 |
4 | 32100100021010000 |
5 | 222321043134131 |
6 | 11010412220052 |
7 | 1051162541033 |
oct | 162020110400 |
9 | 43448135835 |
10 | 15305052416 |
11 | 6544337455 |
12 | 2b7176a628 |
13 | 159bac5744 |
14 | a5295101a |
15 | 5e89c052b |
hex | 390409100 |
15305052416 has 36 divisors (see below), whose sum is σ = 30589058892. Its totient is φ = 7642822656.
The previous prime is 15305052379. The next prime is 15305052419. The reversal of 15305052416 is 61425050351.
It can be written as a sum of positive squares in 2 ways, for example, as 12033212416 + 3271840000 = 109696^2 + 57200^2 .
It is a Harshad number since it is a multiple of its sum of digits (32).
It is not an unprimeable number, because it can be changed into a prime (15305052419) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166526 + ... + 241538.
Almost surely, 215305052416 is an apocalyptic number.
15305052416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
15305052416 is a deficient number, since it is larger than the sum of its proper divisors (15284006476).
15305052416 is an frugal number, since it uses more digits than its factorization.
15305052416 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 75826 (or 75812 counting only the distinct ones).
The product of its (nonzero) digits is 18000, while the sum is 32.
The spelling of 15305052416 in words is "fifteen billion, three hundred five million, fifty-two thousand, four hundred sixteen".
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