Base | Representation |
---|---|
bin | 101000100011001… |
… | …1000101000100101 |
3 | 10111211021002002022 |
4 | 1101012120220211 |
5 | 10241310101021 |
6 | 343002552525 |
7 | 45501102146 |
oct | 12106305045 |
9 | 3454232068 |
10 | 1360628261 |
11 | 639048173 |
12 | 31b808745 |
13 | 188b74ba5 |
14 | cc9c3acd |
15 | 7e6b91ab |
hex | 51198a25 |
1360628261 has 2 divisors, whose sum is σ = 1360628262. Its totient is φ = 1360628260.
The previous prime is 1360628257. The next prime is 1360628279. The reversal of 1360628261 is 1628260631.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1061130625 + 299497636 = 32575^2 + 17306^2 .
It is an emirp because it is prime and its reverse (1628260631) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1360628261 - 22 = 1360628257 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1360628221) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680314130 + 680314131.
It is an arithmetic number, because the mean of its divisors is an integer number (680314131).
Almost surely, 21360628261 is an apocalyptic number.
It is an amenable number.
1360628261 is a deficient number, since it is larger than the sum of its proper divisors (1).
1360628261 is an equidigital number, since it uses as much as digits as its factorization.
1360628261 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 20736, while the sum is 35.
The square root of 1360628261 is about 36886.6949048027. The cubic root of 1360628261 is about 1108.1022305396.
Adding to 1360628261 its reverse (1628260631), we get a palindrome (2988888892).
The spelling of 1360628261 in words is "one billion, three hundred sixty million, six hundred twenty-eight thousand, two hundred sixty-one".
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