Base | Representation |
---|---|
bin | 11100001110000101… |
… | …101001000111001010 |
3 | 2220012201220221201220 |
4 | 130032011221013022 |
5 | 444024042144320 |
6 | 21530430222510 |
7 | 2121614236260 |
oct | 341605510712 |
9 | 86181827656 |
10 | 30301131210 |
11 | 1193a2203a9 |
12 | 5a57954a36 |
13 | 2b1b89aa4c |
14 | 1676434430 |
15 | bc52ace40 |
hex | 70e1691ca |
30301131210 has 128 divisors (see below), whose sum is σ = 86071265280. Its totient is φ = 6683233536.
The previous prime is 30301131199. The next prime is 30301131251. The reversal of 30301131210 is 1213110303.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 30301131210.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 729276 + ... + 769704.
It is an arithmetic number, because the mean of its divisors is an integer number (672431760).
Almost surely, 230301131210 is an apocalyptic number.
30301131210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 30301131210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43035632640).
30301131210 is an abundant number, since it is smaller than the sum of its proper divisors (55770134070).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30301131210 is a wasteful number, since it uses less digits than its factorization.
30301131210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40572.
The product of its (nonzero) digits is 54, while the sum is 15.
Adding to 30301131210 its reverse (1213110303), we get a palindrome (31514241513).
The spelling of 30301131210 in words is "thirty billion, three hundred one million, one hundred thirty-one thousand, two hundred ten".
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