Base | Representation |
---|---|
bin | 11001000010101101… |
… | …10000010010101100 |
3 | 1021200222020010101120 |
4 | 30201112300102230 |
5 | 210013243434423 |
6 | 10102030340540 |
7 | 654111330462 |
oct | 144126602254 |
9 | 37628203346 |
10 | 13444514988 |
11 | 577a095113 |
12 | 273265a750 |
13 | 13634cac18 |
14 | 9177da832 |
15 | 53a4a9ee3 |
hex | 3215b04ac |
13444514988 has 24 divisors (see below), whose sum is σ = 33021616320. Its totient is φ = 4245636240.
The previous prime is 13444514983. The next prime is 13444514989. The reversal of 13444514988 is 88941544431.
It is a self number, because there is not a number n which added to its sum of digits gives 13444514988.
It is not an unprimeable number, because it can be changed into a prime (13444514983) 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, 29483358 + ... + 29483813.
It is an arithmetic number, because the mean of its divisors is an integer number (1375900680).
Almost surely, 213444514988 is an apocalyptic number.
It is an amenable number.
13444514988 is an abundant number, since it is smaller than the sum of its proper divisors (19577101332).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13444514988 is a wasteful number, since it uses less digits than its factorization.
13444514988 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 58967197 (or 58967195 counting only the distinct ones).
The product of its digits is 2211840, while the sum is 51.
The spelling of 13444514988 in words is "thirteen billion, four hundred forty-four million, five hundred fourteen thousand, nine hundred eighty-eight".
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