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1107918281 is a prime number
BaseRepresentation
bin100001000001001…
…0111110111001001
32212012202002011102
41002002113313021
54232111341111
6301534311145
736312102311
oct10202276711
92765662142
101107918281
11519433448
1226b0584b5
131486c3b62
14a7200441
15673ec13b
hex42097dc9

1107918281 has 2 divisors, whose sum is σ = 1107918282. Its totient is φ = 1107918280.

The previous prime is 1107918239. The next prime is 1107918283. The reversal of 1107918281 is 1828197011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1070598400 + 37319881 = 32720^2 + 6109^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1107918281 is a prime.

It is a super-2 number, since 2×11079182812 = 2454965834747989922, which contains 22 as substring.

Together with 1107918283, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1107918283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553959140 + 553959141.

It is an arithmetic number, because the mean of its divisors is an integer number (553959141).

Almost surely, 21107918281 is an apocalyptic number.

It is an amenable number.

1107918281 is a deficient number, since it is larger than the sum of its proper divisors (1).

1107918281 is an equidigital number, since it uses as much as digits as its factorization.

1107918281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 38.

The square root of 1107918281 is about 33285.4064268412. The cubic root of 1107918281 is about 1034.7511303115.

The spelling of 1107918281 in words is "one billion, one hundred seven million, nine hundred eighteen thousand, two hundred eighty-one".