Base | Representation |
---|---|
bin | 11000011111101111… |
… | …00101101000110111 |
3 | 1020221112011201212221 |
4 | 30033313211220313 |
5 | 203413142212330 |
6 | 10012550223211 |
7 | 643616531224 |
oct | 141767455067 |
9 | 36845151787 |
10 | 13151132215 |
11 | 5639520311 |
12 | 2670354b07 |
13 | 13177a9050 |
14 | 8ca86a94b |
15 | 51e856b7a |
hex | 30fde5a37 |
13151132215 has 16 divisors (see below), whose sum is σ = 17059952448. Its totient is φ = 9674666496.
The previous prime is 13151132179. The next prime is 13151132237. The reversal of 13151132215 is 51223115131.
It is a cyclic number.
It is not a de Polignac number, because 13151132215 - 225 = 13117577783 is a prime.
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 13151132215.
It is a congruent number.
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, 367554 + ... + 401743.
It is an arithmetic number, because the mean of its divisors is an integer number (1066247028).
Almost surely, 213151132215 is an apocalyptic number.
13151132215 is a deficient number, since it is larger than the sum of its proper divisors (3908820233).
13151132215 is a wasteful number, since it uses less digits than its factorization.
13151132215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 769578.
The product of its digits is 900, while the sum is 25.
Adding to 13151132215 its reverse (51223115131), we get a palindrome (64374247346).
The spelling of 13151132215 in words is "thirteen billion, one hundred fifty-one million, one hundred thirty-two thousand, two hundred fifteen".
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