Base | Representation |
---|---|
bin | 10010111010000011… |
… | …101100100101110000 |
3 | 1221101211122222220201 |
4 | 102322003230211300 |
5 | 313034124303212 |
6 | 13154253244544 |
7 | 1316042025235 |
oct | 227203544560 |
9 | 57354588821 |
10 | 20301400432 |
11 | 867867a695 |
12 | 3b26a93754 |
13 | 1bb6c75ca1 |
14 | da834178c |
15 | 7dc454b57 |
hex | 4ba0ec970 |
20301400432 has 40 divisors (see below), whose sum is σ = 41204032416. Its totient is φ = 9671540736.
The previous prime is 20301400429. The next prime is 20301400433. The reversal of 20301400432 is 23400410302.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20301400433) 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, 12753 + ... + 201904.
Almost surely, 220301400432 is an apocalyptic number.
It is an amenable number.
20301400432 is an abundant number, since it is smaller than the sum of its proper divisors (20902631984).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20301400432 is a wasteful number, since it uses less digits than its factorization.
20301400432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 214945 (or 214939 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 19.
Adding to 20301400432 its reverse (23400410302), we get a palindrome (43701810734).
The spelling of 20301400432 in words is "twenty billion, three hundred one million, four hundred thousand, four hundred thirty-two".
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