Base | Representation |
---|---|
bin | 11000011101001111… |
… | …10100001100100010 |
3 | 1020220001211022011101 |
4 | 30032213310030202 |
5 | 203342314022242 |
6 | 10010522105014 |
7 | 643244013502 |
oct | 141647641442 |
9 | 36801738141 |
10 | 13130220322 |
11 | 562873795a |
12 | 266534b16a |
13 | 131336684b |
14 | 8c7b85a02 |
15 | 51cac59b7 |
hex | 30e9f4322 |
13130220322 has 16 divisors (see below), whose sum is σ = 20459043000. Its totient is φ = 6312418560.
The previous prime is 13130220287. The next prime is 13130220329. The reversal of 13130220322 is 22302203131.
It can be written as a sum of positive squares in 4 ways, for example, as 10114123761 + 3016096561 = 100569^2 + 54919^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 13130220322.
It is not an unprimeable number, because it can be changed into a prime (13130220329) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 455697 + ... + 483652.
Almost surely, 213130220322 is an apocalyptic number.
13130220322 is a deficient number, since it is larger than the sum of its proper divisors (7328822678).
13130220322 is a wasteful number, since it uses less digits than its factorization.
13130220322 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 939621.
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 13130220322 its reverse (22302203131), we get a palindrome (35432423453).
The spelling of 13130220322 in words is "thirteen billion, one hundred thirty million, two hundred twenty thousand, three hundred twenty-two".
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