Base | Representation |
---|---|
bin | 1101100110000000110000… |
… | …01101100000000000000000 |
3 | 10220211210000221200001000000 |
4 | 12303000120031200000000 |
5 | 12404233114403303123 |
6 | 143324454544000000 |
7 | 6203503534246560 |
oct | 663003015400000 |
9 | 126753027601000 |
10 | 29893378572288 |
11 | 958578a981350 |
12 | 3429654000000 |
13 | 138ac19ba4c5a |
14 | 754bc0b96da0 |
15 | 36c8de604b43 |
hex | 1b3018360000 |
29893378572288 has 2016 divisors, whose sum is σ = 118826527841280. Its totient is φ = 7277201326080.
The previous prime is 29893378572263. The next prime is 29893378572301. The reversal of 29893378572288 is 88227587339892.
29893378572288 is a `hidden beast` number, since 2 + 9 + 8 + 9 + 3 + 37 + 8 + 572 + 2 + 8 + 8 = 666.
It is a tau number, because it is divible by the number of its divisors (2016).
It is a super-2 number, since 2×298933785722882 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (81).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 125076897673 + ... + 125076897911.
It is an arithmetic number, because the mean of its divisors is an integer number (58941730080).
Almost surely, 229893378572288 is an apocalyptic number.
29893378572288 is a gapful number since it is divisible by the number (28) 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 29893378572288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59413263920640).
29893378572288 is an abundant number, since it is smaller than the sum of its proper divisors (88933149268992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29893378572288 is an frugal number, since it uses more digits than its factorization.
29893378572288 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 326 (or 279 counting only the distinct ones).
The product of its digits is 5852528640, while the sum is 81.
The spelling of 29893378572288 in words is "twenty-nine trillion, eight hundred ninety-three billion, three hundred seventy-eight million, five hundred seventy-two thousand, two hundred eighty-eight".
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