Base | Representation |
---|---|
bin | 10110110001010001… |
… | …00110100001001100 |
3 | 1011112221110202011112 |
4 | 23120220212201030 |
5 | 200013430104110 |
6 | 5341004311152 |
7 | 611635111454 |
oct | 133050464114 |
9 | 34487422145 |
10 | 12224456780 |
11 | 5203429348 |
12 | 2451b424b8 |
13 | 11ca8029a3 |
14 | 83d768d64 |
15 | 4b830b405 |
hex | 2d8a2684c |
12224456780 has 24 divisors (see below), whose sum is σ = 25825087008. Its totient is φ = 4860501248.
The previous prime is 12224456779. The next prime is 12224456809. The reversal of 12224456780 is 8765442221.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1826669 + ... + 1833348.
It is an arithmetic number, because the mean of its divisors is an integer number (1076045292).
Almost surely, 212224456780 is an apocalyptic number.
12224456780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12224456780 is an abundant number, since it is smaller than the sum of its proper divisors (13600630228).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12224456780 is a wasteful number, since it uses less digits than its factorization.
12224456780 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3660193 (or 3660191 counting only the distinct ones).
The product of its (nonzero) digits is 215040, while the sum is 41.
The spelling of 12224456780 in words is "twelve billion, two hundred twenty-four million, four hundred fifty-six thousand, seven hundred eighty".
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