Base | Representation |
---|---|
bin | 1101100110110000111101… |
… | …10001111100100000000000 |
3 | 10220221020211120111022200000 |
4 | 12303120132301330200000 |
5 | 12410144120144441110 |
6 | 143344415002400000 |
7 | 6205411055636040 |
oct | 663303661744000 |
9 | 126836746438600 |
10 | 29919258593280 |
11 | 9595760534151 |
12 | 3432677200000 |
13 | 13904b282b144 |
14 | 756157d79720 |
15 | 36d4066a91c0 |
hex | 1b361ec7c800 |
29919258593280 has 2304 divisors, whose sum is σ = 131876978688000. Its totient is φ = 6349969686528.
The previous prime is 29919258593141. The next prime is 29919258593317. The reversal of 29919258593280 is 8239585291992.
29919258593280 is a `hidden beast` number, since 2 + 9 + 9 + 1 + 9 + 2 + 5 + 8 + 593 + 28 + 0 = 666.
It is a tau number, because it is divible by the number of its divisors (2304).
It is a super-2 number, since 2×299192585932802 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (72).
It is a junction number, because it is equal to n+sod(n) for n = 29919258593199 and 29919258593208.
It is an unprimeable number.
It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 23392695681 + ... + 23392696959.
It is an arithmetic number, because the mean of its divisors is an integer number (57238272000).
Almost surely, 229919258593280 is an apocalyptic number.
29919258593280 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 29919258593280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65938489344000).
29919258593280 is an abundant number, since it is smaller than the sum of its proper divisors (101957720094720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29919258593280 is a wasteful number, since it uses less digits than its factorization.
29919258593280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1424 (or 1392 counting only the distinct ones).
The product of its (nonzero) digits is 251942400, while the sum is 72.
The spelling of 29919258593280 in words is "twenty-nine trillion, nine hundred nineteen billion, two hundred fifty-eight million, five hundred ninety-three thousand, two hundred eighty".
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