Base | Representation |
---|---|
bin | 1101101000001111100… |
… | …00010101000000010001 |
3 | 1122202201100100020101121 |
4 | 12310013300111000101 |
5 | 30133020033412341 |
6 | 555043042402241 |
7 | 45555311311654 |
oct | 6640760250021 |
9 | 1582640306347 |
10 | 468281544721 |
11 | 1706627a65a1 |
12 | 7690a660381 |
13 | 3520aa47143 |
14 | 1894488b89b |
15 | c2ab20c4d1 |
hex | 6d07c15011 |
468281544721 has 3 divisors (see below), whose sum is σ = 468282229033. Its totient is φ = 468280860410.
The previous prime is 468281544677. The next prime is 468281544737. The reversal of 468281544721 is 127445182864.
The square root of 468281544721 is 684311.
It is a perfect power (a square), and thus also a powerful number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is not a de Polignac number, because 468281544721 - 29 = 468281544209 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (468201544721) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 342156 + ... + 1026466.
Almost surely, 2468281544721 is an apocalyptic number.
468281544721 is the 684311-st square number.
468281544721 is the 342156-th centered octagonal number.
It is an amenable number.
468281544721 is a deficient number, since it is larger than the sum of its proper divisors (684312).
468281544721 is an frugal number, since it uses more digits than its factorization.
468281544721 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1368622 (or 684311 counting only the distinct ones).
The product of its digits is 3440640, while the sum is 52.
The spelling of 468281544721 in words is "four hundred sixty-eight billion, two hundred eighty-one million, five hundred forty-four thousand, seven hundred twenty-one".
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