Base | Representation |
---|---|
bin | 11100000010001110… |
… | …000100010011000000 |
3 | 2212200212020201001211 |
4 | 130002032010103000 |
5 | 443122103404440 |
6 | 21454554335504 |
7 | 2113645614124 |
oct | 340216042300 |
9 | 85625221054 |
10 | 30102013120 |
11 | 1184788aaa3 |
12 | 5a0112a594 |
13 | 2ab9561caa |
14 | 1657c01584 |
15 | bb2a79eea |
hex | 7023844c0 |
30102013120 has 112 divisors (see below), whose sum is σ = 75703541760. Its totient is φ = 11369217024.
The previous prime is 30102013093. The next prime is 30102013127. The reversal of 30102013120 is 2131020103.
It is a super-2 number, since 2×301020131202 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30102013120.
It is not an unprimeable number, because it can be changed into a prime (30102013127) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1858497 + ... + 1874623.
It is an arithmetic number, because the mean of its divisors is an integer number (675924480).
Almost surely, 230102013120 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 30102013120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37851770880).
30102013120 is an abundant number, since it is smaller than the sum of its proper divisors (45601528640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30102013120 is a wasteful number, since it uses less digits than its factorization.
30102013120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16470 (or 16460 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 13.
Adding to 30102013120 its reverse (2131020103), we get a palindrome (32233033223).
The spelling of 30102013120 in words is "thirty billion, one hundred two million, thirteen thousand, one hundred twenty".
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