Base | Representation |
---|---|
bin | 11100001010000001… |
… | …111001110010110100 |
3 | 2220000222210200001000 |
4 | 130022001321302310 |
5 | 443404124321400 |
6 | 21515555003300 |
7 | 2120126421612 |
oct | 341201716264 |
9 | 86028720030 |
10 | 30233042100 |
11 | 11904845008 |
12 | 5a38b99530 |
13 | 2b0a74ac31 |
14 | 166b38c6b2 |
15 | bbe30d600 |
hex | 70a079cb4 |
30233042100 has 144 divisors (see below), whose sum is σ = 97894081600. Its totient is φ = 8004044160.
The previous prime is 30233042089. The next prime is 30233042107. The reversal of 30233042100 is 124033203.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30233042107) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 335022 + ... + 415578.
Almost surely, 230233042100 is an apocalyptic number.
30233042100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30233042100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48947040800).
30233042100 is an abundant number, since it is smaller than the sum of its proper divisors (67661039500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30233042100 is a wasteful number, since it uses less digits than its factorization.
30233042100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80719 (or 80706 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
Adding to 30233042100 its reverse (124033203), we get a palindrome (30357075303).
The spelling of 30233042100 in words is "thirty billion, two hundred thirty-three million, forty-two thousand, one hundred".
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