Base | Representation |
---|---|
bin | 1001011000011010101001… |
… | …10010011110010110000000 |
3 | 2201001020000122200121211210 |
4 | 10230031110302132112000 |
5 | 10201001022003042240 |
6 | 111513205453010120 |
7 | 4226323234261161 |
oct | 454152462362600 |
9 | 81036018617753 |
10 | 20630150440320 |
11 | 663421a107703 |
12 | 2392317783940 |
13 | b6855152a775 |
14 | 51470c90b768 |
15 | 25b986b47780 |
hex | 12c354c9e580 |
20630150440320 has 128 divisors (see below), whose sum is σ = 65759906124000. Its totient is φ = 5501264560128.
The previous prime is 20630150440301. The next prime is 20630150440321. The reversal of 20630150440320 is 2304405103602.
It is a tau number, because it is divible by the number of its divisors (128).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20630150440321) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158544246 + ... + 158674314.
Almost surely, 220630150440320 is an apocalyptic number.
20630150440320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20630150440320 is an abundant number, since it is smaller than the sum of its proper divisors (45129755683680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20630150440320 is a wasteful number, since it uses less digits than its factorization.
20630150440320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 212700 (or 212688 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 30.
Adding to 20630150440320 its reverse (2304405103602), we get a palindrome (22934555543922).
The spelling of 20630150440320 in words is "twenty trillion, six hundred thirty billion, one hundred fifty million, four hundred forty thousand, three hundred twenty".
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