Base | Representation |
---|---|
bin | 10010111010000011… |
… | …110100010101000100 |
3 | 1221101211201121101210 |
4 | 102322003310111010 |
5 | 313034131312012 |
6 | 13154254051420 |
7 | 1316042216532 |
oct | 227203642504 |
9 | 57354647353 |
10 | 20301432132 |
11 | 86786a1493 |
12 | 3b26aa9b70 |
13 | 1bb6c87547 |
14 | da834d152 |
15 | 7dc45e23c |
hex | 4ba0f4544 |
20301432132 has 48 divisors (see below), whose sum is σ = 50227208640. Its totient is φ = 6364173312.
The previous prime is 20301432097. The next prime is 20301432157. The reversal of 20301432132 is 23123410302.
It is a super-2 number, since 2×203014321322 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20301432099 and 20301432108.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293733 + ... + 356204.
It is an arithmetic number, because the mean of its divisors is an integer number (1046400180).
Almost surely, 220301432132 is an apocalyptic number.
It is an amenable number.
20301432132 is an abundant number, since it is smaller than the sum of its proper divisors (29925776508).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20301432132 is a wasteful number, since it uses less digits than its factorization.
20301432132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 650100 (or 650098 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 20301432132 its reverse (23123410302), we get a palindrome (43424842434).
The spelling of 20301432132 in words is "twenty billion, three hundred one million, four hundred thirty-two thousand, one hundred thirty-two".
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