Base | Representation |
---|---|
bin | 11100011000110101… |
… | …000111010000000000 |
3 | 2220200022000220010102 |
4 | 130120311013100000 |
5 | 444411211110314 |
6 | 22000345021532 |
7 | 2126233115402 |
oct | 343065072000 |
9 | 86608026112 |
10 | 30481347584 |
11 | 11a21a20656 |
12 | 5aa81848a8 |
13 | 2b4a01925c |
14 | 1692346b72 |
15 | bd600a5de |
hex | 718d47400 |
30481347584 has 22 divisors (see below), whose sum is σ = 60932930274. Its totient is φ = 15240673280.
The previous prime is 30481347577. The next prime is 30481347643. The reversal of 30481347584 is 48574318403.
It can be written as a sum of positive squares in only one way, i.e., 22332313600 + 8149033984 = 149440^2 + 90272^2 .
It is a super-2 number, since 2×304813475842 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
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 as a sum of consecutive naturals, namely, 14882447 + ... + 14884494.
Almost surely, 230481347584 is an apocalyptic number.
It is an amenable number.
30481347584 is a deficient number, since it is larger than the sum of its proper divisors (30451582690).
30481347584 is an equidigital number, since it uses as much as digits as its factorization.
30481347584 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29766961 (or 29766943 counting only the distinct ones).
The product of its (nonzero) digits is 1290240, while the sum is 47.
The spelling of 30481347584 in words is "thirty billion, four hundred eighty-one million, three hundred forty-seven thousand, five hundred eighty-four".
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