Base | Representation |
---|---|
bin | 11100100010101110… |
… | …001101011100111100 |
3 | 2221002212022122221202 |
4 | 130202232031130330 |
5 | 1000231202411030 |
6 | 22025034115032 |
7 | 2133316560266 |
oct | 344256153474 |
9 | 87085278852 |
10 | 30647310140 |
11 | 11aa7675797 |
12 | 5b3387ba78 |
13 | 2b75516955 |
14 | 16aa3c8b36 |
15 | be588e745 |
hex | 722b8d73c |
30647310140 has 24 divisors (see below), whose sum is σ = 64363012560. Its totient is φ = 12258226688.
The previous prime is 30647310139. The next prime is 30647310173. The reversal of 30647310140 is 4101374603.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457004 + ... + 519756.
It is an arithmetic number, because the mean of its divisors is an integer number (2681792190).
Almost surely, 230647310140 is an apocalyptic number.
It is an amenable number.
30647310140 is an abundant number, since it is smaller than the sum of its proper divisors (33715702420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30647310140 is a wasteful number, since it uses less digits than its factorization.
30647310140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 87181 (or 87179 counting only the distinct ones).
The product of its (nonzero) digits is 6048, while the sum is 29.
Adding to 30647310140 its reverse (4101374603), we get a palindrome (34748684743).
It can be divided in two parts, 306473 and 10140, that added together give a palindrome (316613).
The spelling of 30647310140 in words is "thirty billion, six hundred forty-seven million, three hundred ten thousand, one hundred forty".
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