Base | Representation |
---|---|
bin | 11100010110000100… |
… | …101100110110101100 |
3 | 2220120002000101021121 |
4 | 130112010230312230 |
5 | 444312341231444 |
6 | 21552013510324 |
7 | 2125132046110 |
oct | 342604546654 |
9 | 86502011247 |
10 | 30435102124 |
11 | 119a8904769 |
12 | 5a947a23a4 |
13 | 2b40576a8b |
14 | 168a149740 |
15 | bd1e23084 |
hex | 71612cdac |
30435102124 has 48 divisors (see below), whose sum is σ = 62554798656. Its totient is φ = 12684672000.
The previous prime is 30435102121. The next prime is 30435102127. The reversal of 30435102124 is 42120153403.
It is an interprime number because it is at equal distance from previous prime (30435102121) and next prime (30435102127).
It is a super-2 number, since 2×304351021242 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30435102121) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316974 + ... + 401674.
It is an arithmetic number, because the mean of its divisors is an integer number (1303224972).
Almost surely, 230435102124 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 30435102124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31277399328).
30435102124 is an abundant number, since it is smaller than the sum of its proper divisors (32119696532).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30435102124 is a wasteful number, since it uses less digits than its factorization.
30435102124 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 85066 (or 85064 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 25.
Adding to 30435102124 its reverse (42120153403), we get a palindrome (72555255527).
The spelling of 30435102124 in words is "thirty billion, four hundred thirty-five million, one hundred two thousand, one hundred twenty-four".
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