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2260187381 is a prime number
BaseRepresentation
bin1000011010110111…
…1011100011110101
312211111221102012202
42012231323203311
514112101444011
61012135354245
7110003163404
oct20655734365
95744842182
102260187381
11a5a8a9261
12530b22985
132a03459aa
1417626763b
15d365a23b
hex86b7b8f5

2260187381 has 2 divisors, whose sum is σ = 2260187382. Its totient is φ = 2260187380.

The previous prime is 2260187357. The next prime is 2260187431. The reversal of 2260187381 is 1837810622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1893120100 + 367067281 = 43510^2 + 19159^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2260187381 is a prime.

It is a super-2 number, since 2×22601873812 = 10216893994463278322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2260187981) 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 as a sum of consecutive naturals, namely, 1130093690 + 1130093691.

It is an arithmetic number, because the mean of its divisors is an integer number (1130093691).

Almost surely, 22260187381 is an apocalyptic number.

It is an amenable number.

2260187381 is a deficient number, since it is larger than the sum of its proper divisors (1).

2260187381 is an equidigital number, since it uses as much as digits as its factorization.

2260187381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 2260187381 is about 47541.4280496495. The cubic root of 2260187381 is about 1312.3453858202.

The spelling of 2260187381 in words is "two billion, two hundred sixty million, one hundred eighty-seven thousand, three hundred eighty-one".