Base | Representation |
---|---|
bin | 1101101001000010110011… |
… | …10011101111011000100000 |
3 | 10221012201221102021010011200 |
4 | 12310201121303233120200 |
5 | 12412434444413042122 |
6 | 143444404341441200 |
7 | 6214152313503354 |
oct | 664413163573040 |
9 | 127181842233150 |
10 | 29997558330912 |
11 | 9615990708a17 |
12 | 3445889710200 |
13 | 13979b0624143 |
14 | 759c64da1464 |
15 | 37048a7715ac |
hex | 1b4859cef620 |
29997558330912 has 36 divisors (see below), whose sum is σ = 85305556504350. Its totient is φ = 9999186110208.
The previous prime is 29997558330911. The next prime is 29997558330917. The reversal of 29997558330912 is 21903385579992.
29997558330912 is a `hidden beast` number, since 2 + 9 + 9 + 9 + 7 + 5 + 583 + 30 + 9 + 1 + 2 = 666.
It can be written as a sum of positive squares in only one way, i.e., 29882010005136 + 115548325776 = 5466444^2 + 339924^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-3 number, since 3×299975583309123 (a number of 41 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (72).
It is not an unprimeable number, because it can be changed into a prime (29997558330911) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52079094037 + ... + 52079094612.
Almost surely, 229997558330912 is an apocalyptic number.
It is an amenable number.
29997558330912 is an abundant number, since it is smaller than the sum of its proper divisors (55307998173438).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29997558330912 is a wasteful number, since it uses less digits than its factorization.
29997558330912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 104158188665 (or 104158188654 counting only the distinct ones).
The product of its (nonzero) digits is 330674400, while the sum is 72.
The spelling of 29997558330912 in words is "twenty-nine trillion, nine hundred ninety-seven billion, five hundred fifty-eight million, three hundred thirty thousand, nine hundred twelve".
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