Base | Representation |
---|---|
bin | 1011110111000001110101… |
… | …0101111110100001001101 |
3 | 1201011121112221001002112122 |
4 | 2331300131111332201031 |
5 | 3202121421312323041 |
6 | 43422255502142325 |
7 | 2514052451522243 |
oct | 275603525764115 |
9 | 51147487032478 |
10 | 13040013011021 |
11 | 4178269435147 |
12 | 15672a9b819a5 |
13 | 73788b644bb9 |
14 | 3311d621c793 |
15 | 17930238dc4b |
hex | bdc1d57e84d |
13040013011021 has 16 divisors (see below), whose sum is σ = 13099369920000. Its totient is φ = 12980800756800.
The previous prime is 13040013011009. The next prime is 13040013011029. The reversal of 13040013011021 is 12011031004031.
It is a cyclic number.
It is not a de Polignac number, because 13040013011021 - 214 = 13040012994637 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13040013011029) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 525815780 + ... + 525840578.
It is an arithmetic number, because the mean of its divisors is an integer number (818710620000).
Almost surely, 213040013011021 is an apocalyptic number.
It is an amenable number.
13040013011021 is a deficient number, since it is larger than the sum of its proper divisors (59356908979).
13040013011021 is a wasteful number, since it uses less digits than its factorization.
13040013011021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27620.
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 13040013011021 its reverse (12011031004031), we get a palindrome (25051044015052).
The spelling of 13040013011021 in words is "thirteen trillion, forty billion, thirteen million, eleven thousand, twenty-one".
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