Base | Representation |
---|---|
bin | 1100011001011111001… |
… | …1101101010011011110 |
3 | 202100210100122221222120 |
4 | 3012113303231103132 |
5 | 11442211034441110 |
6 | 241503451523410 |
7 | 21250226531232 |
oct | 3062763552336 |
9 | 670710587876 |
10 | 213000312030 |
11 | 8237313a030 |
12 | 35345459566 |
13 | 1711679cbbc |
14 | a4488cc5c2 |
15 | 5819938870 |
hex | 3197ced4de |
213000312030 has 64 divisors (see below), whose sum is σ = 572745835008. Its totient is φ = 50240856960.
The previous prime is 213000312029. The next prime is 213000312053. The reversal of 213000312030 is 30213000312.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8710162 + ... + 8734581.
It is an arithmetic number, because the mean of its divisors is an integer number (8949153672).
Almost surely, 2213000312030 is an apocalyptic number.
213000312030 is an abundant number, since it is smaller than the sum of its proper divisors (359745522978).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213000312030 is a wasteful number, since it uses less digits than its factorization.
213000312030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17444801.
The product of its (nonzero) digits is 108, while the sum is 15.
Adding to 213000312030 its reverse (30213000312), we get a palindrome (243213312342).
The spelling of 213000312030 in words is "two hundred thirteen billion, three hundred twelve thousand, thirty".
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