Base | Representation |
---|---|
bin | 11100000010000110… |
… | …100000101101001010 |
3 | 2212200201112001221020 |
4 | 130002012200231022 |
5 | 443121102013310 |
6 | 21454444053310 |
7 | 2113623024204 |
oct | 340206405512 |
9 | 85621461836 |
10 | 30100032330 |
11 | 11846757885 |
12 | 5a00534236 |
13 | 2ab901a524 |
14 | 1657847774 |
15 | bb27d8170 |
hex | 7021a0b4a |
30100032330 has 128 divisors (see below), whose sum is σ = 75353435136. Its totient is φ = 7688908800.
The previous prime is 30100032283. The next prime is 30100032337. The reversal of 30100032330 is 3323000103.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is not an unprimeable number, because it can be changed into a prime (30100032337) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24332472 + ... + 24333708.
It is an arithmetic number, because the mean of its divisors is an integer number (588698712).
Almost surely, 230100032330 is an apocalyptic number.
30100032330 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 30100032330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37676717568).
30100032330 is an abundant number, since it is smaller than the sum of its proper divisors (45253402806).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30100032330 is a wasteful number, since it uses less digits than its factorization.
30100032330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1632.
The product of its (nonzero) digits is 162, while the sum is 15.
Adding to 30100032330 its reverse (3323000103), we get a palindrome (33423032433).
The spelling of 30100032330 in words is "thirty billion, one hundred million, thirty-two thousand, three hundred thirty".
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