Base | Representation |
---|---|
bin | 11100011101010100… |
… | …011000001011011010 |
3 | 2220212112201202201010 |
4 | 130131110120023122 |
5 | 1000040000333000 |
6 | 22012035034350 |
7 | 2131136154465 |
oct | 343524301332 |
9 | 86775652633 |
10 | 30556652250 |
11 | 11a60485113 |
12 | 5b0943b9b6 |
13 | 2b5c7c4427 |
14 | 169c34a2dc |
15 | bdc932d50 |
hex | 71d5182da |
30556652250 has 64 divisors (see below), whose sum is σ = 76367790720. Its totient is φ = 8137929600.
The previous prime is 30556652233. The next prime is 30556652251. The reversal of 30556652250 is 5225665503.
It is a junction number, because it is equal to n+sod(n) for n = 30556652199 and 30556652208.
It is not an unprimeable number, because it can be changed into a prime (30556652251) 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 31 ways as a sum of consecutive naturals, for example, 564366 + ... + 616134.
It is an arithmetic number, because the mean of its divisors is an integer number (1193246730).
Almost surely, 230556652250 is an apocalyptic number.
30556652250 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 30556652250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38183895360).
30556652250 is an abundant number, since it is smaller than the sum of its proper divisors (45811138470).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30556652250 is a wasteful number, since it uses less digits than its factorization.
30556652250 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52576 (or 52566 counting only the distinct ones).
The product of its (nonzero) digits is 270000, while the sum is 39.
The spelling of 30556652250 in words is "thirty billion, five hundred fifty-six million, six hundred fifty-two thousand, two hundred fifty".
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