Base | Representation |
---|---|
bin | 11100001011000111… |
… | …010100111111111000 |
3 | 2220002021001021212112 |
4 | 130023013110333320 |
5 | 443423304211324 |
6 | 21521445031452 |
7 | 2120440211153 |
oct | 341307247770 |
9 | 86067037775 |
10 | 30251241464 |
11 | 11914045504 |
12 | 5a430b5588 |
13 | 2b114508a2 |
14 | 166d968c9a |
15 | bc0c05c0e |
hex | 70b1d4ff8 |
30251241464 has 96 divisors (see below), whose sum is σ = 63743073120. Its totient is φ = 13428670464.
The previous prime is 30251241443. The next prime is 30251241479. The reversal of 30251241464 is 46414215203.
It is a super-2 number, since 2×302512414642 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30251241464.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3877952 + ... + 3885744.
It is an arithmetic number, because the mean of its divisors is an integer number (663990345).
Almost surely, 230251241464 is an apocalyptic number.
30251241464 is a gapful number since it is divisible by the number (34) formed by its first and last digit.
It is an amenable number.
30251241464 is an abundant number, since it is smaller than the sum of its proper divisors (33491831656).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30251241464 is a wasteful number, since it uses less digits than its factorization.
30251241464 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7929 (or 7908 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 32.
Adding to 30251241464 its reverse (46414215203), we get a palindrome (76665456667).
The spelling of 30251241464 in words is "thirty billion, two hundred fifty-one million, two hundred forty-one thousand, four hundred sixty-four".
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