Base | Representation |
---|---|
bin | 11100001000001000… |
… | …011100001010101000 |
3 | 2212221202212222200212 |
4 | 130020020130022220 |
5 | 443323001420240 |
6 | 21512500320252 |
7 | 2116261655423 |
oct | 341010341250 |
9 | 85852788625 |
10 | 30201201320 |
11 | 11898877614 |
12 | 5a2a3a3088 |
13 | 2b03c80134 |
14 | 16670609ba |
15 | bbb61e165 |
hex | 70821c2a8 |
30201201320 has 16 divisors (see below), whose sum is σ = 67952703060. Its totient is φ = 12080480512.
The previous prime is 30201201319. The next prime is 30201201323. The reversal of 30201201320 is 2310210203.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 29314233796 + 886967524 = 171214^2 + 29782^2 .
It is a super-2 number, since 2×302012013202 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30201201295 and 30201201304.
It is not an unprimeable number, because it can be changed into a prime (30201201323) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 377514977 + ... + 377515056.
Almost surely, 230201201320 is an apocalyptic number.
It is an amenable number.
30201201320 is an abundant number, since it is smaller than the sum of its proper divisors (37751501740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30201201320 is a wasteful number, since it uses less digits than its factorization.
30201201320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 755030044 (or 755030040 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 14.
Adding to 30201201320 its reverse (2310210203), we get a palindrome (32511411523).
The spelling of 30201201320 in words is "thirty billion, two hundred one million, two hundred one thousand, three hundred twenty".
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