Base | Representation |
---|---|
bin | 11000100111011111… |
… | …10110000100110111 |
3 | 1021010001122002112202 |
4 | 30103233312010313 |
5 | 204031322230010 |
6 | 10023233135115 |
7 | 645336641102 |
oct | 142357660467 |
9 | 37101562482 |
10 | 13216211255 |
11 | 5672230145 |
12 | 268a0ba49b |
13 | 1328113a60 |
14 | 8d536b739 |
15 | 52540e6a5 |
hex | 313bf6137 |
13216211255 has 16 divisors (see below), whose sum is σ = 17085409824. Its totient is φ = 9756236160.
The previous prime is 13216211249. The next prime is 13216211269. The reversal of 13216211255 is 55211261231.
It is not a de Polignac number, because 13216211255 - 220 = 13215162679 is a prime.
It is a Duffinian number.
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, 158897 + ... + 227333.
It is an arithmetic number, because the mean of its divisors is an integer number (1067838114).
Almost surely, 213216211255 is an apocalyptic number.
13216211255 is a deficient number, since it is larger than the sum of its proper divisors (3869198569).
13216211255 is a wasteful number, since it uses less digits than its factorization.
13216211255 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71426.
The product of its digits is 3600, while the sum is 29.
Adding to 13216211255 its reverse (55211261231), we get a palindrome (68427472486).
The spelling of 13216211255 in words is "thirteen billion, two hundred sixteen million, two hundred eleven thousand, two hundred fifty-five".
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