Base | Representation |
---|---|
bin | 11001000100000110… |
… | …11011111010000100 |
3 | 1021201210021012120210 |
4 | 30202003123322010 |
5 | 210024243243342 |
6 | 10103125355420 |
7 | 654313023225 |
oct | 144203337204 |
9 | 37653235523 |
10 | 13456227972 |
11 | 5785765270 |
12 | 2736568b70 |
13 | 1365a6c395 |
14 | 9191a924c |
15 | 53b52079c |
hex | 3220dbe84 |
13456227972 has 24 divisors (see below), whose sum is σ = 34252216992. Its totient is φ = 4077644800.
The previous prime is 13456227959. The next prime is 13456227979. The reversal of 13456227972 is 27972265431.
It is not an unprimeable number, because it can be changed into a prime (13456227979) 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, 50970429 + ... + 50970692.
It is an arithmetic number, because the mean of its divisors is an integer number (1427175708).
Almost surely, 213456227972 is an apocalyptic number.
13456227972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13456227972 is an abundant number, since it is smaller than the sum of its proper divisors (20795989020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13456227972 is a wasteful number, since it uses less digits than its factorization.
13456227972 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 101941139 (or 101941137 counting only the distinct ones).
The product of its digits is 1270080, while the sum is 48.
The spelling of 13456227972 in words is "thirteen billion, four hundred fifty-six million, two hundred twenty-seven thousand, nine hundred seventy-two".
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