Base | Representation |
---|---|
bin | 1000010011111110… |
… | …1001001111010001 |
3 | 12202111112120221021 |
4 | 2010333221033101 |
5 | 14032201321442 |
6 | 1005223555441 |
7 | 106202352202 |
oct | 20477511721 |
9 | 5674476837 |
10 | 2231276497 |
11 | a4555206a |
12 | 5232bbb81 |
13 | 297362668 |
14 | 17249d5a9 |
15 | d0d48e67 |
hex | 84fe93d1 |
2231276497 has 2 divisors, whose sum is σ = 2231276498. Its totient is φ = 2231276496.
The previous prime is 2231276461. The next prime is 2231276507. The reversal of 2231276497 is 7946721322.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2113792576 + 117483921 = 45976^2 + 10839^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2231276497 is a prime.
It is a super-3 number, since 3×22312764973 (a number of 29 digits) contains 333 as substring.
It is not a weakly prime, because it can be changed into another prime (2231273497) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115638248 + 1115638249.
It is an arithmetic number, because the mean of its divisors is an integer number (1115638249).
Almost surely, 22231276497 is an apocalyptic number.
It is an amenable number.
2231276497 is a deficient number, since it is larger than the sum of its proper divisors (1).
2231276497 is an equidigital number, since it uses as much as digits as its factorization.
2231276497 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 254016, while the sum is 43.
The square root of 2231276497 is about 47236.3895423856. The cubic root of 2231276497 is about 1306.7257931373.
The spelling of 2231276497 in words is "two billion, two hundred thirty-one million, two hundred seventy-six thousand, four hundred ninety-seven".
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