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1306152061 is a prime number
BaseRepresentation
bin100110111011010…
…0100110001111101
310101000202101210021
41031312210301331
510133333331221
6333335212141
744240052334
oct11566446175
93330671707
101306152061
1161031a415
12305517051
1317a7b0256
14c5682d1b
1579a08041
hex4dda4c7d

1306152061 has 2 divisors, whose sum is σ = 1306152062. Its totient is φ = 1306152060.

The previous prime is 1306152053. The next prime is 1306152097. The reversal of 1306152061 is 1602516031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1231588836 + 74563225 = 35094^2 + 8635^2 .

It is a cyclic number.

It is not a de Polignac number, because 1306152061 - 23 = 1306152053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1306152031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 653076030 + 653076031.

It is an arithmetic number, because the mean of its divisors is an integer number (653076031).

Almost surely, 21306152061 is an apocalyptic number.

It is an amenable number.

1306152061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1306152061 is an equidigital number, since it uses as much as digits as its factorization.

1306152061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1306152061 is about 36140.7257951469. The cubic root of 1306152061 is about 1093.1117937900. Note that the first 3 decimals are identical.

Adding to 1306152061 its reverse (1602516031), we get a palindrome (2908668092).

The spelling of 1306152061 in words is "one billion, three hundred six million, one hundred fifty-two thousand, sixty-one".