Base | Representation |
---|---|
bin | 1011111100010010001110… |
… | …1001100101111111111010 |
3 | 1201111020122002122102110220 |
4 | 2333010203221211333322 |
5 | 3210111340130124403 |
6 | 43531552123120510 |
7 | 2523430254052212 |
oct | 277044351457772 |
9 | 51436562572426 |
10 | 13130313129978 |
11 | 4202597501030 |
12 | 15808ab373136 |
13 | 74324c6a7155 |
14 | 335720d21242 |
15 | 17b839c4e953 |
hex | bf123a65ffa |
13130313129978 has 32 divisors (see below), whose sum is σ = 28969843078080. Its totient is φ = 3934176216960.
The previous prime is 13130313129977. The next prime is 13130313130073. The reversal of 13130313129978 is 87992131303131.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 13130313129978.
It is not an unprimeable number, because it can be changed into a prime (13130313129977) 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, 1117657825 + ... + 1117669572.
It is an arithmetic number, because the mean of its divisors is an integer number (905307596190).
Almost surely, 213130313129978 is an apocalyptic number.
13130313129978 is an abundant number, since it is smaller than the sum of its proper divisors (15839529948102).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13130313129978 is a wasteful number, since it uses less digits than its factorization.
13130313129978 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2235327502.
The product of its (nonzero) digits is 734832, while the sum is 51.
The spelling of 13130313129978 in words is "thirteen trillion, one hundred thirty billion, three hundred thirteen million, one hundred twenty-nine thousand, nine hundred seventy-eight".
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