Base | Representation |
---|---|
bin | 11100010111010001… |
… | …011001010101001100 |
3 | 2220121110211211022200 |
4 | 130113101121111030 |
5 | 444333013112434 |
6 | 21554012441500 |
7 | 2125464663450 |
oct | 342721312514 |
9 | 86543754280 |
10 | 30455207244 |
11 | 11a09196a70 |
12 | 5a9b479290 |
13 | 2b44795cb7 |
14 | 168caa0660 |
15 | bd3a95199 |
hex | 71745954c |
30455207244 has 144 divisors (see below), whose sum is σ = 97413179136. Its totient is φ = 7792329600.
The previous prime is 30455207207. The next prime is 30455207267. The reversal of 30455207244 is 44270255403.
30455207244 is a `hidden beast` number, since 30 + 4 + 552 + 0 + 72 + 4 + 4 = 666.
It is a super-3 number, since 3×304552072443 (a number of 32 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 30455207199 and 30455207208.
It is an unprimeable number.
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 47 ways as a sum of consecutive naturals, for example, 103734 + ... + 267714.
Almost surely, 230455207244 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 30455207244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48706589568).
30455207244 is an abundant number, since it is smaller than the sum of its proper divisors (66957971892).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30455207244 is a wasteful number, since it uses less digits than its factorization.
30455207244 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 164076 (or 164071 counting only the distinct ones).
The product of its (nonzero) digits is 134400, while the sum is 36.
The spelling of 30455207244 in words is "thirty billion, four hundred fifty-five million, two hundred seven thousand, two hundred forty-four".
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