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1955982713 is a prime number
BaseRepresentation
bin111010010010101…
…1110110101111001
312001022112012212012
41310211132311321
513001212421323
6522031255305
766320402336
oct16445366571
95038465765
101955982713
11914112843
1246707a535
13252305129
14147abb98d
15b6aba678
hex7495ed79

1955982713 has 2 divisors, whose sum is σ = 1955982714. Its totient is φ = 1955982712.

The previous prime is 1955982709. The next prime is 1955982761. The reversal of 1955982713 is 3172895591.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1289671744 + 666310969 = 35912^2 + 25813^2 .

It is a cyclic number.

It is not a de Polignac number, because 1955982713 - 22 = 1955982709 is a prime.

It is not a weakly prime, because it can be changed into another prime (1955982793) 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, 977991356 + 977991357.

It is an arithmetic number, because the mean of its divisors is an integer number (977991357).

Almost surely, 21955982713 is an apocalyptic number.

It is an amenable number.

1955982713 is a deficient number, since it is larger than the sum of its proper divisors (1).

1955982713 is an equidigital number, since it uses as much as digits as its factorization.

1955982713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 680400, while the sum is 50.

The square root of 1955982713 is about 44226.4933382695. The cubic root of 1955982713 is about 1250.6093483474.

The spelling of 1955982713 in words is "one billion, nine hundred fifty-five million, nine hundred eighty-two thousand, seven hundred thirteen".