Base | Representation |
---|---|
bin | 10100110010110100000… |
… | …001001111011111101001 |
3 | 12001121100221022222222210 |
4 | 110302310001033133221 |
5 | 141402442014214021 |
6 | 3012241132035333 |
7 | 205144461132150 |
oct | 24626401173751 |
9 | 5047327288883 |
10 | 1428949366761 |
11 | 501017734a94 |
12 | 1b0b34302b49 |
13 | a49984143a7 |
14 | 4d2392c6597 |
15 | 27284904e76 |
hex | 14cb404f7e9 |
1428949366761 has 8 divisors (see below), whose sum is σ = 2177446654144. Its totient is φ = 816542495280.
The previous prime is 1428949366729. The next prime is 1428949366777. The reversal of 1428949366761 is 1676639498241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1428949366761 - 25 = 1428949366729 is a prime.
It is a super-2 number, since 2×14289493667612 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1428949366692 and 1428949366701.
It is not an unprimeable number, because it can be changed into a prime (1428949366781) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34022603950 + ... + 34022603991.
It is an arithmetic number, because the mean of its divisors is an integer number (272180831768).
Almost surely, 21428949366761 is an apocalyptic number.
It is an amenable number.
1428949366761 is a deficient number, since it is larger than the sum of its proper divisors (748497287383).
1428949366761 is an equidigital number, since it uses as much as digits as its factorization.
1428949366761 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 68045207951.
The product of its digits is 94058496, while the sum is 66.
The spelling of 1428949366761 in words is "one trillion, four hundred twenty-eight billion, nine hundred forty-nine million, three hundred sixty-six thousand, seven hundred sixty-one".
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