Base | Representation |
---|---|
bin | 111111101010000010000… |
… | …1001101100100001000001 |
3 | 1010222101111010210022202211 |
4 | 1333110010021230201001 |
5 | 2121320241004014244 |
6 | 30335110352342121 |
7 | 1562042226155200 |
oct | 177240411544101 |
9 | 33871433708684 |
10 | 8748918032449 |
11 | 2873439166721 |
12 | b93722b44941 |
13 | 4b60338c4b1a |
14 | 22364270b237 |
15 | 1028a58de934 |
hex | 7f50426c841 |
8748918032449 has 9 divisors (see below), whose sum is σ = 10177336898721. Its totient is φ = 7499054852100.
The previous prime is 8748918032429. The next prime is 8748918032461. The reversal of 8748918032449 is 9442308198478.
The square root of 8748918032449 is 2957857.
It is a perfect power (a square), and thus also a powerful number.
It is not a de Polignac number, because 8748918032449 - 219 = 8748917508161 is a prime.
It is a super-2 number, since 2×87489180324492 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (8748918032429) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 20493724 + ... + 20916274.
It is an arithmetic number, because the mean of its divisors is an integer number (1130815210969).
Almost surely, 28748918032449 is an apocalyptic number.
8748918032449 is the 2957857-th square number.
8748918032449 is the 1478929-th centered octagonal number.
It is an amenable number.
8748918032449 is a deficient number, since it is larger than the sum of its proper divisors (1428418866272).
8748918032449 is an frugal number, since it uses more digits than its factorization.
8748918032449 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 845116 (or 422558 counting only the distinct ones).
The product of its (nonzero) digits is 111476736, while the sum is 67.
The spelling of 8748918032449 in words is "eight trillion, seven hundred forty-eight billion, nine hundred eighteen million, thirty-two thousand, four hundred forty-nine".
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