Base | Representation |
---|---|
bin | 10010110100001100… |
… | …110111010000011000 |
3 | 1221010222202212002220 |
4 | 102310030313100120 |
5 | 312334000440440 |
6 | 13140423224040 |
7 | 1313436600102 |
oct | 226414672030 |
9 | 57128685086 |
10 | 20203140120 |
11 | 8628167219 |
12 | 3ab9ba8020 |
13 | 1b9c7c12a7 |
14 | d99284572 |
15 | 7d39e58d0 |
hex | 4b4337418 |
20203140120 has 32 divisors (see below), whose sum is σ = 60609420720. Its totient is φ = 5387504000.
The previous prime is 20203140109. The next prime is 20203140193. The reversal of 20203140120 is 2104130202.
It is a super-2 number, since 2×202031401202 (a number of 21 digits) contains 22 as substring.
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 20203140120.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84179631 + ... + 84179870.
Almost surely, 220203140120 is an apocalyptic number.
20203140120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20203140120 is an abundant number, since it is smaller than the sum of its proper divisors (40406280600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20203140120 is a wasteful number, since it uses less digits than its factorization.
20203140120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 168359515 (or 168359511 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 15.
Adding to 20203140120 its reverse (2104130202), we get a palindrome (22307270322).
The spelling of 20203140120 in words is "twenty billion, two hundred three million, one hundred forty thousand, one hundred twenty".
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