Base | Representation |
---|---|
bin | 1001001111101001110001… |
… | …01000010000000000000000 |
3 | 2122222102210001222221010000 |
4 | 10213310320220100000000 |
5 | 10131032323223143420 |
6 | 111123005543040000 |
7 | 4165503215225454 |
oct | 447647050200000 |
9 | 78872701887100 |
10 | 20329030287360 |
11 | 6528547690963 |
12 | 2343a9b140000 |
13 | b46033613272 |
14 | 503d04b02664 |
15 | 253c10e71690 |
hex | 127d38a10000 |
20329030287360 has 1020 divisors, whose sum is σ = 75404171656044. Its totient is φ = 5239618928640.
The previous prime is 20329030287359. The next prime is 20329030287427. The reversal of 20329030287360 is 6378203092302.
20329030287360 is a `hidden beast` number, since 2 + 0 + 3 + 2 + 9 + 0 + 3 + 0 + 287 + 360 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 8575432851456 + 11753597435904 = 2928384^2 + 3428352^2 .
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 25506938482 + ... + 25506939278.
Almost surely, 220329030287360 is an apocalyptic number.
20329030287360 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 20329030287360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37702085828022).
20329030287360 is an abundant number, since it is smaller than the sum of its proper divisors (55075141368684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20329030287360 is an frugal number, since it uses more digits than its factorization.
20329030287360 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 908 (or 838 counting only the distinct ones).
The product of its (nonzero) digits is 653184, while the sum is 45.
The spelling of 20329030287360 in words is "twenty trillion, three hundred twenty-nine billion, thirty million, two hundred eighty-seven thousand, three hundred sixty".
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