Base | Representation |
---|---|
bin | 11011111001000000… |
… | …000000000000000000 |
3 | 2212022002012000111010 |
4 | 123321000000000000 |
5 | 442313004034220 |
6 | 21431351120520 |
7 | 2110060052430 |
oct | 337100000000 |
9 | 85262160433 |
10 | 29947330560 |
11 | 1177853a774 |
12 | 5979373140 |
13 | 2a934b3954 |
14 | 16414582c0 |
15 | ba41c31e0 |
hex | 6f9000000 |
29947330560 has 400 divisors, whose sum is σ = 115964113536. Its totient is φ = 6442450944.
The previous prime is 29947330537. The next prime is 29947330591. The reversal of 29947330560 is 6503374992.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1761607672 + ... + 1761607688.
Almost surely, 229947330560 is an apocalyptic number.
29947330560 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 29947330560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57982056768).
29947330560 is an abundant number, since it is smaller than the sum of its proper divisors (86016782976).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29947330560 is an frugal number, since it uses more digits than its factorization.
29947330560 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80 (or 34 counting only the distinct ones).
The product of its (nonzero) digits is 1224720, while the sum is 48.
It can be divided in two parts, 299473 and 30560, that added together give a palindrome (330033).
The spelling of 29947330560 in words is "twenty-nine billion, nine hundred forty-seven million, three hundred thirty thousand, five hundred sixty".
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