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1920350741 is a prime number
BaseRepresentation
bin111001001110110…
…0011101000010101
311221211110220222112
41302131203220111
512413102210431
6514315440405
765405466131
oct16235435025
94854426875
101920350741
118a5a95a31
12457156105
13247b0a81a
141430843c1
15b38ccc2b
hex72763a15

1920350741 has 2 divisors, whose sum is σ = 1920350742. Its totient is φ = 1920350740.

The previous prime is 1920350737. The next prime is 1920350791. The reversal of 1920350741 is 1470530291.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1825852900 + 94497841 = 42730^2 + 9721^2 .

It is a cyclic number.

It is not a de Polignac number, because 1920350741 - 22 = 1920350737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1920350698 and 1920350707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1920350791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 960175370 + 960175371.

It is an arithmetic number, because the mean of its divisors is an integer number (960175371).

Almost surely, 21920350741 is an apocalyptic number.

It is an amenable number.

1920350741 is a deficient number, since it is larger than the sum of its proper divisors (1).

1920350741 is an equidigital number, since it uses as much as digits as its factorization.

1920350741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 1920350741 is about 43821.8066834310. The cubic root of 1920350741 is about 1242.9686806788.

It can be divided in two parts, 19203507 and 41, that multiplied together give a palindrome (787343787).

The spelling of 1920350741 in words is "one billion, nine hundred twenty million, three hundred fifty thousand, seven hundred forty-one".