Base | Representation |
---|---|
bin | 10011000011101000… |
… | …010101110101001000 |
3 | 1221211000212101010200 |
4 | 103003220111311020 |
5 | 313401233021410 |
6 | 13222231412200 |
7 | 1323032066664 |
oct | 230350256510 |
9 | 57730771120 |
10 | 20462001480 |
11 | 87502a2628 |
12 | 3b70824060 |
13 | 1c113171ab |
14 | dc17c98a4 |
15 | 7eb5ca3c0 |
hex | 4c3a15d48 |
20462001480 has 96 divisors (see below), whose sum is σ = 66749038200. Its totient is φ = 5436223488.
The previous prime is 20462001449. The next prime is 20462001503. The reversal of 20462001480 is 8410026402.
20462001480 is a `hidden beast` number, since 20 + 4 + 620 + 0 + 14 + 8 + 0 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 14018086404 + 6443915076 = 118398^2 + 80274^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8809 + ... + 202488.
Almost surely, 220462001480 is an apocalyptic number.
20462001480 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 20462001480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33374519100).
20462001480 is an abundant number, since it is smaller than the sum of its proper divisors (46287036720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20462001480 is a wasteful number, since it uses less digits than its factorization.
20462001480 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 211583 (or 211576 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 27.
Adding to 20462001480 its reverse (8410026402), we get a palindrome (28872027882).
The spelling of 20462001480 in words is "twenty billion, four hundred sixty-two million, one thousand, four hundred eighty".
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