Base | Representation |
---|---|
bin | 1011001110100111110111… |
… | …0111100000100011101100 |
3 | 1121201020210100120012211020 |
4 | 2303221331313200203230 |
5 | 3104233244003240410 |
6 | 42131334254454140 |
7 | 2412646421034546 |
oct | 263517567404354 |
9 | 47636710505736 |
10 | 12345847711980 |
11 | 3a2a9321a5762 |
12 | 147485b504350 |
13 | 6b7292c49343 |
14 | 309783bb8696 |
15 | 16622566ba70 |
hex | b3a7dde08ec |
12345847711980 has 96 divisors (see below), whose sum is σ = 35945674430400. Its totient is φ = 3162230980608.
The previous prime is 12345847711973. The next prime is 12345847711991. The reversal of 12345847711980 is 8911774854321.
It is a Harshad number since it is a multiple of its sum of digits (60).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18045825 + ... + 18717464.
It is an arithmetic number, because the mean of its divisors is an integer number (374434108650).
Almost surely, 212345847711980 is an apocalyptic number.
12345847711980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12345847711980 is an abundant number, since it is smaller than the sum of its proper divisors (23599826718420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12345847711980 is a wasteful number, since it uses less digits than its factorization.
12345847711980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36763523 (or 36763521 counting only the distinct ones).
The product of its (nonzero) digits is 13547520, while the sum is 60.
The spelling of 12345847711980 in words is "twelve trillion, three hundred forty-five billion, eight hundred forty-seven million, seven hundred eleven thousand, nine hundred eighty".
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