Base | Representation |
---|---|
bin | 11001100100001101… |
… | …10010111101011111 |
3 | 1022102120000220010010 |
4 | 30302012302331133 |
5 | 211102214404122 |
6 | 10145550014303 |
7 | 664063126050 |
oct | 146206627537 |
9 | 38376026103 |
10 | 13725544287 |
11 | 5903791634 |
12 | 27b07a7393 |
13 | 13a97b5c50 |
14 | 942c72727 |
15 | 554ebce0c |
hex | 3321b2f5f |
13725544287 has 16 divisors (see below), whose sum is σ = 22523970560. Its totient is φ = 7239847392.
The previous prime is 13725544271. The next prime is 13725544321. The reversal of 13725544287 is 78244552731.
It is a happy number.
It is not a de Polignac number, because 13725544287 - 24 = 13725544271 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13725544207) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25138087 + ... + 25138632.
It is an arithmetic number, because the mean of its divisors is an integer number (1407748160).
Almost surely, 213725544287 is an apocalyptic number.
13725544287 is a deficient number, since it is larger than the sum of its proper divisors (8798426273).
13725544287 is a wasteful number, since it uses less digits than its factorization.
13725544287 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50276742.
The product of its digits is 1881600, while the sum is 48.
The spelling of 13725544287 in words is "thirteen billion, seven hundred twenty-five million, five hundred forty-four thousand, two hundred eighty-seven".
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