Base | Representation |
---|---|
bin | 11000001101110110… |
… | …10001010001101010 |
3 | 1020120001212102201200 |
4 | 30012323101101222 |
5 | 203111240234232 |
6 | 5550030425030 |
7 | 640115355516 |
oct | 140673212152 |
9 | 36501772650 |
10 | 13001102442 |
11 | 5571868769 |
12 | 262a062176 |
13 | 12c2699733 |
14 | 8b4975146 |
15 | 5115bd77c |
hex | 306ed146a |
13001102442 has 12 divisors (see below), whose sum is σ = 28169055330. Its totient is φ = 4333700808.
The previous prime is 13001102399. The next prime is 13001102479. The reversal of 13001102442 is 24420110031.
It can be written as a sum of positive squares in only one way, i.e., 10426656321 + 2574446121 = 102111^2 + 50739^2 .
It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 722283469 = 13001102442 / (1 + 3 + 0 + 0 + 1 + 1 + 0 + 2 + 4 + 4 + 2).
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 361141717 + ... + 361141752.
Almost surely, 213001102442 is an apocalyptic number.
13001102442 is an abundant number, since it is smaller than the sum of its proper divisors (15167952888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13001102442 is a wasteful number, since it uses less digits than its factorization.
13001102442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 722283477 (or 722283474 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 13001102442 its reverse (24420110031), we get a palindrome (37421212473).
The spelling of 13001102442 in words is "thirteen billion, one million, one hundred two thousand, four hundred forty-two".
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