Base | Representation |
---|---|
bin | 1101001100000111… |
… | …00000111111111101 |
3 | 200021110222022222112 |
4 | 12212003200333331 |
5 | 104000203003444 |
6 | 3130344223405 |
7 | 340320500000 |
oct | 64603407775 |
9 | 20243868875 |
10 | 7080906749 |
11 | 3003a95054 |
12 | 145746ab65 |
13 | 88acc2c67 |
14 | 4b25bb537 |
15 | 2b699b69e |
hex | 1a60e0ffd |
7080906749 has 24 divisors (see below), whose sum is σ = 8367125760. Its totient is φ = 5991397776.
The previous prime is 7080906671. The next prime is 7080906761. The reversal of 7080906749 is 9476090807.
It is a happy number.
It is not a de Polignac number, because 7080906749 - 220 = 7079858173 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 7080906697 and 7080906706.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7080906949) by changing a digit.
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 23 ways as a sum of consecutive naturals, for example, 1325087 + ... + 1330419.
It is an arithmetic number, because the mean of its divisors is an integer number (348630240).
Almost surely, 27080906749 is an apocalyptic number.
7080906749 is a gapful number since it is divisible by the number (79) formed by its first and last digit.
It is an amenable number.
7080906749 is a deficient number, since it is larger than the sum of its proper divisors (1286219011).
7080906749 is an frugal number, since it uses more digits than its factorization.
7080906749 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5447 (or 5419 counting only the distinct ones).
The product of its (nonzero) digits is 762048, while the sum is 50.
The square root of 7080906749 is about 84148.1238590618. The cubic root of 7080906749 is about 1920.2729238943.
The spelling of 7080906749 in words is "seven billion, eighty million, nine hundred six thousand, seven hundred forty-nine".
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