Base | Representation |
---|---|
bin | 11000001111000011… |
… | …11010001010101001 |
3 | 1020120202221001001022 |
4 | 30013201322022221 |
5 | 203121333401101 |
6 | 5551031502225 |
7 | 640300433150 |
oct | 140741721251 |
9 | 36522831038 |
10 | 13011231401 |
11 | 5577556803 |
12 | 2631527975 |
13 | 12c4804bbc |
14 | 8b6050597 |
15 | 51241ea1b |
hex | 30787a2a9 |
13011231401 has 8 divisors (see below), whose sum is σ = 15744683520. Its totient is φ = 10496455488.
The previous prime is 13011231397. The next prime is 13011231413. The reversal of 13011231401 is 10413211031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13011231401 - 22 = 13011231397 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 13011231401.
It is not an unprimeable number, because it can be changed into a prime (13011231481) 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, 54668921 + ... + 54669158.
It is an arithmetic number, because the mean of its divisors is an integer number (1968085440).
Almost surely, 213011231401 is an apocalyptic number.
It is an amenable number.
13011231401 is a deficient number, since it is larger than the sum of its proper divisors (2733452119).
13011231401 is a wasteful number, since it uses less digits than its factorization.
13011231401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 109338103.
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 13011231401 its reverse (10413211031), we get a palindrome (23424442432).
The spelling of 13011231401 in words is "thirteen billion, eleven million, two hundred thirty-one thousand, four hundred one".
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