Base | Representation |
---|---|
bin | 101001100110111101… |
… | …0010110101010011100 |
3 | 22112122020021002211110 |
4 | 1103031322112222130 |
5 | 2430444104104010 |
6 | 105014301422020 |
7 | 6312163143051 |
oct | 1231572265234 |
9 | 275566232743 |
10 | 89353972380 |
11 | 34992a95a72 |
12 | 1539856a910 |
13 | 857002c40a |
14 | 44791b3028 |
15 | 24ce7bb120 |
hex | 14cde96a9c |
89353972380 has 96 divisors (see below), whose sum is σ = 256867329600. Its totient is φ = 23194501120.
The previous prime is 89353972349. The next prime is 89353972397. The reversal of 89353972380 is 8327935398.
It is a self number, because there is not a number n which added to its sum of digits gives 89353972380.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1064092 + ... + 1144988.
It is an arithmetic number, because the mean of its divisors is an integer number (2675701350).
Almost surely, 289353972380 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 89353972380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128433664800).
89353972380 is an abundant number, since it is smaller than the sum of its proper divisors (167513357220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89353972380 is a wasteful number, since it uses less digits than its factorization.
89353972380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81399 (or 81397 counting only the distinct ones).
The product of its (nonzero) digits is 9797760, while the sum is 57.
The spelling of 89353972380 in words is "eighty-nine billion, three hundred fifty-three million, nine hundred seventy-two thousand, three hundred eighty".
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