Base | Representation |
---|---|
bin | 10010111010000010… |
… | …101011000101011000 |
3 | 1221101211011100212020 |
4 | 102322002223011120 |
5 | 313034042211440 |
6 | 13154243414440 |
7 | 1316036530053 |
oct | 227202530530 |
9 | 57354140766 |
10 | 20301132120 |
11 | 8678507045 |
12 | 3b26984420 |
13 | 1bb6bb0b19 |
14 | da82b1a9a |
15 | 7dc4003d0 |
hex | 4ba0ab158 |
20301132120 has 32 divisors (see below), whose sum is σ = 60903396720. Its totient is φ = 5413635200.
The previous prime is 20301132119. The next prime is 20301132121. The reversal of 20301132120 is 2123110302.
It is an interprime number because it is at equal distance from previous prime (20301132119) and next prime (20301132121).
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 20301132120.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20301132121) 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, 84587931 + ... + 84588170.
Almost surely, 220301132120 is an apocalyptic number.
20301132120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20301132120 is an abundant number, since it is smaller than the sum of its proper divisors (40602264600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20301132120 is a wasteful number, since it uses less digits than its factorization.
20301132120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 169176115 (or 169176111 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 20301132120 its reverse (2123110302), we get a palindrome (22424242422).
The spelling of 20301132120 in words is "twenty billion, three hundred one million, one hundred thirty-two thousand, one hundred twenty".
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