Base | Representation |
---|---|
bin | 111001100101010010001… |
… | …1011001011000100100001 |
3 | 1001000120122102110011222002 |
4 | 1303022210123023010201 |
5 | 2014131023104032024 |
6 | 24455403151053345 |
7 | 1444526326002365 |
oct | 163124433130441 |
9 | 31016572404862 |
10 | 7914088345889 |
11 | 2581389607a00 |
12 | a79978211255 |
13 | 4553abab667b |
14 | 1d50887312a5 |
15 | dace49b06ae |
hex | 732a46cb121 |
7914088345889 has 12 divisors (see below), whose sum is σ = 8699028711828. Its totient is φ = 7194566137440.
The previous prime is 7914088345879. The next prime is 7914088345897. The reversal of 7914088345889 is 9885438804197.
It can be written as a sum of positive squares in 2 ways, for example, as 4721094604864 + 3192993741025 = 2172808^2 + 1786895^2 .
It is not a de Polignac number, because 7914088345889 - 216 = 7914088280353 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (7914088345819) 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 11 ways as a sum of consecutive naturals, for example, 21751187 + ... + 22112039.
It is an arithmetic number, because the mean of its divisors is an integer number (724919059319).
Almost surely, 27914088345889 is an apocalyptic number.
It is an amenable number.
7914088345889 is a deficient number, since it is larger than the sum of its proper divisors (784940365939).
7914088345889 is a wasteful number, since it uses less digits than its factorization.
7914088345889 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 542128 (or 542117 counting only the distinct ones).
The product of its (nonzero) digits is 557383680, while the sum is 74.
The spelling of 7914088345889 in words is "seven trillion, nine hundred fourteen billion, eighty-eight million, three hundred forty-five thousand, eight hundred eighty-nine".
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