Base | Representation |
---|---|
bin | 111001011011000000… |
… | …0101111001101100110 |
3 | 102210021212122210002112 |
4 | 1302312000233031212 |
5 | 4010021024342412 |
6 | 132352111441022 |
7 | 11623542630140 |
oct | 1626600571546 |
9 | 383255583075 |
10 | 123312730982 |
11 | 48329904a21 |
12 | 1ba95226172 |
13 | b82260630c |
14 | 5d7b2b7c90 |
15 | 331ac20722 |
hex | 1cb602f366 |
123312730982 has 32 divisors (see below), whose sum is σ = 214514479872. Its totient is φ = 52071426144.
The previous prime is 123312730979. The next prime is 123312730987. The reversal of 123312730982 is 289037213321.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123312730987) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291173 + ... + 575679.
It is an arithmetic number, because the mean of its divisors is an integer number (6703577496).
Almost surely, 2123312730982 is an apocalyptic number.
123312730982 is a deficient number, since it is larger than the sum of its proper divisors (91201748890).
123312730982 is a wasteful number, since it uses less digits than its factorization.
123312730982 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 284972.
The product of its (nonzero) digits is 108864, while the sum is 41.
The spelling of 123312730982 in words is "one hundred twenty-three billion, three hundred twelve million, seven hundred thirty thousand, nine hundred eighty-two".
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