Base | Representation |
---|---|
bin | 110000010001010111111110… |
… | …001100011000000010001100 |
3 | 1000211200200221011212022111002 |
4 | 300101113332030120002030 |
5 | 210311311304000143040 |
6 | 2031305211130315432 |
7 | 62501116642000334 |
oct | 6021277614300214 |
9 | 1024620834768432 |
10 | 212300203131020 |
11 | 61711013015824 |
12 | 1b989250588b78 |
13 | 915ca918bc824 |
14 | 3a5d5557000c4 |
15 | 19826373e5a15 |
hex | c115fe31808c |
212300203131020 has 12 divisors (see below), whose sum is σ = 445830426575184. Its totient is φ = 84920081252400.
The previous prime is 212300203131013. The next prime is 212300203131067. The reversal of 212300203131020 is 20131302003212.
It is a super-2 number, since 2×2123002031310202 (a number of 29 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 10615010156551 = 212300203131020 / (2 + 1 + 2 + 3 + 0 + 0 + 2 + 0 + 3 + 1 + 3 + 1 + 0 + 2 + 0).
It is a junction number, because it is equal to n+sod(n) for n = 212300203130983 and 212300203131001.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5307505078256 + ... + 5307505078295.
It is an arithmetic number, because the mean of its divisors is an integer number (37152535547932).
Almost surely, 2212300203131020 is an apocalyptic number.
212300203131020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
212300203131020 is an abundant number, since it is smaller than the sum of its proper divisors (233530223444164).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212300203131020 is a wasteful number, since it uses less digits than its factorization.
212300203131020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10615010156560 (or 10615010156558 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 212300203131020 its reverse (20131302003212), we get a palindrome (232431505134232).
The spelling of 212300203131020 in words is "two hundred twelve trillion, three hundred billion, two hundred three million, one hundred thirty-one thousand, twenty".
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