Base | Representation |
---|---|
bin | 111001010010110000000… |
… | …0010001000100001011001 |
3 | 1000212202220112201222020222 |
4 | 1302211200002020201121 |
5 | 2013003014233203442 |
6 | 24425221441325425 |
7 | 1441620103365146 |
oct | 162454002104131 |
9 | 30782815658228 |
10 | 7874286225497 |
11 | 256651432382a |
12 | a7210a636875 |
13 | 451707a28243 |
14 | 1d31905533cd |
15 | d9c655648d2 |
hex | 72960088859 |
7874286225497 has 2 divisors, whose sum is σ = 7874286225498. Its totient is φ = 7874286225496.
The previous prime is 7874286225493. The next prime is 7874286225517. The reversal of 7874286225497 is 7945226824787.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 7295676504601 + 578609720896 = 2701051^2 + 760664^2 .
It is a cyclic number.
It is not a de Polignac number, because 7874286225497 - 22 = 7874286225493 is a prime.
It is a super-2 number, since 2×78742862254972 (a number of 27 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 7874286225497.
It is not a weakly prime, because it can be changed into another prime (7874286225493) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3937143112748 + 3937143112749.
It is an arithmetic number, because the mean of its divisors is an integer number (3937143112749).
Almost surely, 27874286225497 is an apocalyptic number.
It is an amenable number.
7874286225497 is a deficient number, since it is larger than the sum of its proper divisors (1).
7874286225497 is an equidigital number, since it uses as much as digits as its factorization.
7874286225497 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 758661120, while the sum is 71.
The spelling of 7874286225497 in words is "seven trillion, eight hundred seventy-four billion, two hundred eighty-six million, two hundred twenty-five thousand, four hundred ninety-seven".
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