Base | Representation |
---|---|
bin | 100101011100111011… |
… | …1010110110010100010 |
3 | 21200121010220212110111 |
4 | 1022321313112302202 |
5 | 2304203443120204 |
6 | 100540432521534 |
7 | 5545034143255 |
oct | 1127167266242 |
9 | 250533825414 |
10 | 80427707554 |
11 | 311223870a7 |
12 | 137070b02aa |
13 | 7779927acc |
14 | 3c6d8b309c |
15 | 215ad06d04 |
hex | 12b9dd6ca2 |
80427707554 has 8 divisors (see below), whose sum is σ = 124801615260. Its totient is φ = 38827169136.
The previous prime is 80427707531. The next prime is 80427707603. The reversal of 80427707554 is 45570772408.
It can be written as a sum of positive squares in 2 ways, for example, as 70572579025 + 9855128529 = 265655^2 + 99273^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-4 number, since 4×804277075544 (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is a junction number, because it is equal to n+sod(n) for n = 80427707498 and 80427707507.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 693342249 + ... + 693342364.
Almost surely, 280427707554 is an apocalyptic number.
80427707554 is a deficient number, since it is larger than the sum of its proper divisors (44373907706).
80427707554 is a wasteful number, since it uses less digits than its factorization.
80427707554 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1386684644.
The product of its (nonzero) digits is 2195200, while the sum is 49.
The spelling of 80427707554 in words is "eighty billion, four hundred twenty-seven million, seven hundred seven thousand, five hundred fifty-four".
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