Base | Representation |
---|---|
bin | 11011111110110001… |
… | …010000111110110110 |
3 | 2212112211100000002000 |
4 | 123332301100332312 |
5 | 443012244200004 |
6 | 21445130000130 |
7 | 2112343621254 |
oct | 337661207666 |
9 | 85484300060 |
10 | 30044131254 |
11 | 11818146545 |
12 | 59a5876046 |
13 | 2aaa577177 |
14 | 16502555d4 |
15 | bac944c39 |
hex | 6fec50fb6 |
30044131254 has 96 divisors (see below), whose sum is σ = 72787728000. Its totient is φ = 9160197984.
The previous prime is 30044131237. The next prime is 30044131289. The reversal of 30044131254 is 45213144003.
It is a happy number.
30044131254 is a `hidden beast` number, since 300 + 4 + 41 + 312 + 5 + 4 = 666.
It is a super-2 number, since 2×300441312542 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 845457 + ... + 880275.
It is an arithmetic number, because the mean of its divisors is an integer number (758205500).
Almost surely, 230044131254 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30044131254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36393864000).
30044131254 is an abundant number, since it is smaller than the sum of its proper divisors (42743596746).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30044131254 is a wasteful number, since it uses less digits than its factorization.
30044131254 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34907 (or 34872 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 27.
Adding to 30044131254 its reverse (45213144003), we get a palindrome (75257275257).
The spelling of 30044131254 in words is "thirty billion, forty-four million, one hundred thirty-one thousand, two hundred fifty-four".
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