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2306121457 is a prime number
BaseRepresentation
bin1000100101110100…
…1001111011110001
312221201101002220211
42021131021323301
514210331341312
61020500104121
7111101465113
oct21135117361
95851332824
102306121457
11a83822202
12544395041
132a9a09513
1417c3c33b3
15d76d03a7
hex89749ef1

2306121457 has 2 divisors, whose sum is σ = 2306121458. Its totient is φ = 2306121456.

The previous prime is 2306121449. The next prime is 2306121481. The reversal of 2306121457 is 7541216032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1222131681 + 1083989776 = 34959^2 + 32924^2 .

It is a cyclic number.

It is not a de Polignac number, because 2306121457 - 23 = 2306121449 is a prime.

It is not a weakly prime, because it can be changed into another prime (2306121157) 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, 1153060728 + 1153060729.

It is an arithmetic number, because the mean of its divisors is an integer number (1153060729).

Almost surely, 22306121457 is an apocalyptic number.

It is an amenable number.

2306121457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2306121457 is an equidigital number, since it uses as much as digits as its factorization.

2306121457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 2306121457 is about 48022.0934258389. The cubic root of 2306121457 is about 1321.1761511670.

Adding to 2306121457 its reverse (7541216032), we get a palindrome (9847337489).

The spelling of 2306121457 in words is "two billion, three hundred six million, one hundred twenty-one thousand, four hundred fifty-seven".