Base | Representation |
---|---|
bin | 11000011100000011… |
… | …01101001011101010 |
3 | 1020212101000202011222 |
4 | 30032001231023222 |
5 | 203332234330442 |
6 | 10005524022042 |
7 | 643063054526 |
oct | 141601551352 |
9 | 36771022158 |
10 | 13120230122 |
11 | 562303409a |
12 | 2661b31922 |
13 | 131127959c |
14 | 8c6704d86 |
15 | 51bca08d2 |
hex | 30e06d2ea |
13120230122 has 8 divisors (see below), whose sum is σ = 19730938500. Its totient is φ = 6543250624.
The previous prime is 13120230121. The next prime is 13120230139. The reversal of 13120230122 is 22103202131.
It can be written as a sum of positive squares in 2 ways, for example, as 12106380841 + 1013849281 = 110029^2 + 31841^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×131202301222 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 13120230122.
It is not an unprimeable number, because it can be changed into a prime (13120230121) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8431247 + ... + 8432802.
Almost surely, 213120230122 is an apocalyptic number.
13120230122 is a deficient number, since it is larger than the sum of its proper divisors (6610708378).
13120230122 is a wasteful number, since it uses less digits than its factorization.
13120230122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16864440.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 13120230122 its reverse (22103202131), we get a palindrome (35223432253).
The spelling of 13120230122 in words is "thirteen billion, one hundred twenty million, two hundred thirty thousand, one hundred twenty-two".
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