Base | Representation |
---|---|
bin | 1011101100111001010… |
… | …1011001101011100000 |
3 | 201012220010210220010021 |
4 | 2323032111121223200 |
5 | 11243202213243240 |
6 | 232204011043224 |
7 | 20344500416320 |
oct | 2731625315340 |
9 | 635803726107 |
10 | 201030212320 |
11 | 7829034aa43 |
12 | 32b64740514 |
13 | 15c598a6b72 |
14 | 9a30c55280 |
15 | 5368b2254a |
hex | 2ece559ae0 |
201030212320 has 96 divisors (see below), whose sum is σ = 554330262528. Its totient is φ = 67458144768.
The previous prime is 201030212219. The next prime is 201030212321. The reversal of 201030212320 is 23212030102.
It is a Harshad number since it is a multiple of its sum of digits (16).
It is a junction number, because it is equal to n+sod(n) for n = 201030212294 and 201030212303.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (201030212321) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1856842 + ... + 1962121.
It is an arithmetic number, because the mean of its divisors is an integer number (5774273568).
Almost surely, 2201030212320 is an apocalyptic number.
201030212320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
201030212320 is an abundant number, since it is smaller than the sum of its proper divisors (353300050208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
201030212320 is a wasteful number, since it uses less digits than its factorization.
201030212320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3819032 (or 3819024 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 201030212320 its reverse (23212030102), we get a palindrome (224242242422).
The spelling of 201030212320 in words is "two hundred one billion, thirty million, two hundred twelve thousand, three hundred twenty".
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