Base | Representation |
---|---|
bin | 10011000001110000… |
… | …000010000010000000 |
3 | 1221201211112001121200 |
4 | 103001300002002000 |
5 | 313320144304404 |
6 | 13215143421200 |
7 | 1322200033242 |
oct | 230160020200 |
9 | 57654461550 |
10 | 20430463104 |
11 | 8734511357 |
12 | 3b62154800 |
13 | 1c07923c2c |
14 | dbb53a092 |
15 | 7e894a839 |
hex | 4c1c02080 |
20430463104 has 48 divisors (see below), whose sum is σ = 58790789070. Its totient is φ = 6810153984.
The previous prime is 20430463093. The next prime is 20430463117. The reversal of 20430463104 is 40136403402.
20430463104 is a `hidden beast` number, since 20 + 4 + 3 + 0 + 4 + 631 + 0 + 4 = 666.
It can be written as a sum of positive squares in only one way, i.e., 12642753600 + 7787709504 = 112440^2 + 88248^2 .
It is a tau number, because it is divible by the number of its divisors (48).
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8866237 + ... + 8868540.
Almost surely, 220430463104 is an apocalyptic number.
20430463104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
20430463104 is an abundant number, since it is smaller than the sum of its proper divisors (38360325966).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20430463104 is a wasteful number, since it uses less digits than its factorization.
20430463104 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17734797 (or 17734782 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 27.
Adding to 20430463104 its reverse (40136403402), we get a palindrome (60566866506).
The spelling of 20430463104 in words is "twenty billion, four hundred thirty million, four hundred sixty-three thousand, one hundred four".
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