Base | Representation |
---|---|
bin | 10010101000101111… |
… | …111100101111011000 |
3 | 1220122121020200112202 |
4 | 102220233330233120 |
5 | 311440304323112 |
6 | 13105401225332 |
7 | 1305614534015 |
oct | 225057745730 |
9 | 56577220482 |
10 | 20011011032 |
11 | 853976a851 |
12 | 3a65792248 |
13 | 1b6ba6173c |
14 | d7b95070c |
15 | 7c1be36c2 |
hex | 4a8bfcbd8 |
20011011032 has 128 divisors (see below), whose sum is σ = 41588951040. Its totient is φ = 8987811840.
The previous prime is 20011011001. The next prime is 20011011073. The reversal of 20011011032 is 23011011002.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110557982 + ... + 110558162.
It is an arithmetic number, because the mean of its divisors is an integer number (324913680).
Almost surely, 220011011032 is an apocalyptic number.
It is an amenable number.
20011011032 is an abundant number, since it is smaller than the sum of its proper divisors (21577940008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20011011032 is a wasteful number, since it uses less digits than its factorization.
20011011032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 541 (or 537 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 11.
Adding to 20011011032 its reverse (23011011002), we get a palindrome (43022022034).
The spelling of 20011011032 in words is "twenty billion, eleven million, eleven thousand, thirty-two".
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