Base | Representation |
---|---|
bin | 10010111010001010… |
… | …011000010100101000 |
3 | 1221101221222000012022 |
4 | 102322022120110220 |
5 | 313040101334144 |
6 | 13154355004012 |
7 | 1316062643132 |
oct | 227212302450 |
9 | 57357860168 |
10 | 20303152424 |
11 | 8679666a15 |
12 | 3b27599608 |
13 | 1bb743a579 |
14 | da867a052 |
15 | 7dc69dcee |
hex | 4ba298528 |
20303152424 has 16 divisors (see below), whose sum is σ = 38090711700. Its totient is φ = 10145629312.
The previous prime is 20303152379. The next prime is 20303152459. The reversal of 20303152424 is 42425130302.
It can be written as a sum of positive squares in 2 ways, for example, as 20047728100 + 255424324 = 141590^2 + 15982^2 .
It is a junction number, because it is equal to n+sod(n) for n = 20303152393 and 20303152402.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 728837 + ... + 756180.
Almost surely, 220303152424 is an apocalyptic number.
It is an amenable number.
20303152424 is a deficient number, since it is larger than the sum of its proper divisors (17787559276).
20303152424 is a wasteful number, since it uses less digits than its factorization.
20303152424 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1486732 (or 1486728 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 26.
Adding to 20303152424 its reverse (42425130302), we get a palindrome (62728282726).
The spelling of 20303152424 in words is "twenty billion, three hundred three million, one hundred fifty-two thousand, four hundred twenty-four".
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