Base | Representation |
---|---|
bin | 10010101000110000… |
… | …000001011000010000 |
3 | 1220122121021122121110 |
4 | 102220300001120100 |
5 | 311440310430112 |
6 | 13105401453320 |
7 | 1305614643300 |
oct | 225060013020 |
9 | 56577248543 |
10 | 20011030032 |
11 | 8539783054 |
12 | 3a657a1240 |
13 | 1b6ba6a296 |
14 | d7b957600 |
15 | 7c1be913c |
hex | 4a8c01610 |
20011030032 has 120 divisors (see below), whose sum is σ = 62749930176. Its totient is φ = 5468838144.
The previous prime is 20011029977. The next prime is 20011030049. The reversal of 20011030032 is 23003011002.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (12).
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, 130863 + ... + 239054.
Almost surely, 220011030032 is an apocalyptic number.
It is an amenable number.
20011030032 is an abundant number, since it is smaller than the sum of its proper divisors (42738900144).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20011030032 is a wasteful number, since it uses less digits than its factorization.
20011030032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 369965 (or 369952 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 12.
Adding to 20011030032 its reverse (23003011002), we get a palindrome (43014041034).
The spelling of 20011030032 in words is "twenty billion, eleven million, thirty thousand, thirty-two".
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