Base | Representation |
---|---|
bin | 1011000100111110111101… |
… | …1001110001011101000110 |
3 | 1121010102100110222121112220 |
4 | 2301033233121301131012 |
5 | 3044030122142414300 |
6 | 41523310135153210 |
7 | 2364664630335225 |
oct | 261175731613506 |
9 | 47112313877486 |
10 | 12180248794950 |
11 | 39766839a7345 |
12 | 1448744815806 |
13 | 6a4791a44182 |
14 | 30175485ccbc |
15 | 161c823c0da0 |
hex | b13ef671746 |
12180248794950 has 96 divisors (see below), whose sum is σ = 32822565411840. Its totient is φ = 2977853673600.
The previous prime is 12180248794943. The next prime is 12180248794951. The reversal of 12180248794950 is 5949784208121.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12180248794951) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 68843449 + ... + 69020148.
It is an arithmetic number, because the mean of its divisors is an integer number (341901723040).
Almost surely, 212180248794950 is an apocalyptic number.
12180248794950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12180248794950 is an abundant number, since it is smaller than the sum of its proper divisors (20642316616890).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12180248794950 is a wasteful number, since it uses less digits than its factorization.
12180248794950 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 137863662 (or 137863657 counting only the distinct ones).
The product of its (nonzero) digits is 11612160, while the sum is 60.
The spelling of 12180248794950 in words is "twelve trillion, one hundred eighty billion, two hundred forty-eight million, seven hundred ninety-four thousand, nine hundred fifty".
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