Base | Representation |
---|---|
bin | 10010110110000110… |
… | …110010001101010100 |
3 | 1221020012220122012122 |
4 | 102312012302031110 |
5 | 312420141213022 |
6 | 13143524235112 |
7 | 1314305343410 |
oct | 226606621524 |
9 | 57205818178 |
10 | 20235101012 |
11 | 8644206985 |
12 | 3b0883ba98 |
13 | 1ba6301969 |
14 | d9d603d40 |
15 | 7d670a742 |
hex | 4b61b2354 |
20235101012 has 24 divisors (see below), whose sum is σ = 40718494656. Its totient is φ = 8618980608.
The previous prime is 20235100999. The next prime is 20235101017. The reversal of 20235101012 is 21010153202.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20235101017) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2212253 + ... + 2221380.
It is an arithmetic number, because the mean of its divisors is an integer number (1696603944).
Almost surely, 220235101012 is an apocalyptic number.
It is an amenable number.
20235101012 is an abundant number, since it is smaller than the sum of its proper divisors (20483393644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20235101012 is a wasteful number, since it uses less digits than its factorization.
20235101012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4433807 (or 4433805 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 17.
Adding to 20235101012 its reverse (21010153202), we get a palindrome (41245254214).
The spelling of 20235101012 in words is "twenty billion, two hundred thirty-five million, one hundred one thousand, twelve".
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