Base | Representation |
---|---|
bin | 11000100110111010… |
… | …01100101010100010 |
3 | 1021002201102202011211 |
4 | 30103131030222202 |
5 | 204024044314132 |
6 | 10022540300334 |
7 | 645250251541 |
oct | 142335145242 |
9 | 37081382154 |
10 | 13211323042 |
11 | 566a4a15a5 |
12 | 26885416aa |
13 | 13270c1b18 |
14 | 8d4858158 |
15 | 524c96147 |
hex | 31374caa2 |
13211323042 has 16 divisors (see below), whose sum is σ = 20213870400. Its totient is φ = 6474357648.
The previous prime is 13211323009. The next prime is 13211323127. The reversal of 13211323042 is 24032311231.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221053 + ... + 274384.
It is an arithmetic number, because the mean of its divisors is an integer number (1263366900).
Almost surely, 213211323042 is an apocalyptic number.
13211323042 is a deficient number, since it is larger than the sum of its proper divisors (7002547358).
13211323042 is a wasteful number, since it uses less digits than its factorization.
13211323042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 495705.
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 13211323042 its reverse (24032311231), we get a palindrome (37243634273).
The spelling of 13211323042 in words is "thirteen billion, two hundred eleven million, three hundred twenty-three thousand, forty-two".
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