Base | Representation |
---|---|
bin | 11100001000110101… |
… | …110101000111100000 |
3 | 2212222121021111121201 |
4 | 130020311311013200 |
5 | 443334023200000 |
6 | 21514003330544 |
7 | 2116465053436 |
oct | 341065650740 |
9 | 85877244551 |
10 | 30213100000 |
11 | 118a4564236 |
12 | 5a32380a54 |
13 | 2b06587c85 |
14 | 166887ad56 |
15 | bbc6be96a |
hex | 708d751e0 |
30213100000 has 144 divisors (see below), whose sum is σ = 74626598592. Its totient is φ = 12040000000.
The previous prime is 30213099979. The next prime is 30213100013. The reversal of 30213100000 is 131203.
It is a super-2 number, since 2×302131000002 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is a self number, because there is not a number n which added to its sum of digits gives 30213100000.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43099650 + ... + 43100350.
It is an arithmetic number, because the mean of its divisors is an integer number (518240268).
Almost surely, 230213100000 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30213100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37313299296).
30213100000 is an abundant number, since it is smaller than the sum of its proper divisors (44413498592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30213100000 is an frugal number, since it uses more digits than its factorization.
30213100000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1167 (or 1139 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 10.
Adding to 30213100000 its reverse (131203), we get a palindrome (30213231203).
The spelling of 30213100000 in words is "thirty billion, two hundred thirteen million, one hundred thousand".
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