Base | Representation |
---|---|
bin | 110111010010111111111110… |
… | …011111100111011111010000 |
3 | 1011220002112001220120000111000 |
4 | 313102333332133213133100 |
5 | 223334024404420334410 |
6 | 2221123413445222000 |
7 | 102140330116454160 |
oct | 6722777637473720 |
9 | 1156075056500430 |
10 | 243198202902480 |
11 | 70543862413331 |
12 | 23339536101900 |
13 | a591652290797 |
14 | 440abda5585a0 |
15 | 1d1b223ce0dc0 |
hex | dd2ffe7e77d0 |
243198202902480 has 640 divisors, whose sum is σ = 1008033710284800. Its totient is φ = 52647045451776.
The previous prime is 243198202902451. The next prime is 243198202902497. The reversal of 243198202902480 is 84209202891342.
243198202902480 is a `hidden beast` number, since 2 + 4 + 3 + 1 + 98 + 20 + 290 + 248 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 994728412 + ... + 994972868.
It is an arithmetic number, because the mean of its divisors is an integer number (1575052672320).
Almost surely, 2243198202902480 is an apocalyptic number.
243198202902480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 243198202902480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (504016855142400).
243198202902480 is an abundant number, since it is smaller than the sum of its proper divisors (764835507382320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
243198202902480 is a wasteful number, since it uses less digits than its factorization.
243198202902480 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 247968 (or 247956 counting only the distinct ones).
The product of its (nonzero) digits is 3981312, while the sum is 54.
The spelling of 243198202902480 in words is "two hundred forty-three trillion, one hundred ninety-eight billion, two hundred two million, nine hundred two thousand, four hundred eighty".
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