Base | Representation |
---|---|
bin | 1011001011010010… |
… | …0101111010010100 |
3 | 21202002021110100010 |
4 | 2302310211322110 |
5 | 22121013144340 |
6 | 1213411120220 |
7 | 134226460152 |
oct | 26264457224 |
9 | 7662243303 |
10 | 3000131220 |
11 | 12aa54aa99 |
12 | 6b88a3070 |
13 | 38a72c198 |
14 | 20663c3d2 |
15 | 1285bcb80 |
hex | b2d25e94 |
3000131220 has 24 divisors (see below), whose sum is σ = 8400367584. Its totient is φ = 800034976.
The previous prime is 3000131207. The next prime is 3000131221. The reversal of 3000131220 is 221310003.
It is a happy number.
3000131220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a junction number, because it is equal to n+sod(n) for n = 3000131196 and 3000131205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3000131221) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25001034 + ... + 25001153.
It is an arithmetic number, because the mean of its divisors is an integer number (350015316).
Almost surely, 23000131220 is an apocalyptic number.
3000131220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
3000131220 is an abundant number, since it is smaller than the sum of its proper divisors (5400236364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3000131220 is a wasteful number, since it uses less digits than its factorization.
3000131220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50002199 (or 50002197 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 12.
The square root of 3000131220 is about 54773.4536066515. The cubic root of 3000131220 is about 1442.2705979996.
Adding to 3000131220 its reverse (221310003), we get a palindrome (3221441223).
The spelling of 3000131220 in words is "three billion, one hundred thirty-one thousand, two hundred twenty".
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