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1880320049 is a prime number
BaseRepresentation
bin111000000010011…
…0110100000110001
311212001011011012022
41300010312200301
512322330220144
6510325441225
764411312436
oct16004664061
94761134168
101880320049
11885434313
12445870215
1323c73301a
1413ba23b8d
15b0121cee
hex70136831

1880320049 has 2 divisors, whose sum is σ = 1880320050. Its totient is φ = 1880320048.

The previous prime is 1880320021. The next prime is 1880320069. The reversal of 1880320049 is 9400230881.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1815356449 + 64963600 = 42607^2 + 8060^2 .

It is a cyclic number.

It is not a de Polignac number, because 1880320049 - 216 = 1880254513 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1880320069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 940160024 + 940160025.

It is an arithmetic number, because the mean of its divisors is an integer number (940160025).

Almost surely, 21880320049 is an apocalyptic number.

It is an amenable number.

1880320049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1880320049 is an equidigital number, since it uses as much as digits as its factorization.

1880320049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 1880320049 is about 43362.6573101788. The cubic root of 1880320049 is about 1234.2711909017.

The spelling of 1880320049 in words is "one billion, eight hundred eighty million, three hundred twenty thousand, forty-nine".