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1081973311 is a prime number
BaseRepresentation
bin100000001111101…
…1001101000111111
32210101220221100121
41000133121220333
54203441121221
6255210235411
735545423066
oct10037315077
92711827317
101081973311
11505822621
12262425b67
1314320b7c3
14a39a91dd
1564ec4a41
hex407d9a3f

1081973311 has 2 divisors, whose sum is σ = 1081973312. Its totient is φ = 1081973310.

The previous prime is 1081973273. The next prime is 1081973327. The reversal of 1081973311 is 1133791801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1081973311 - 217 = 1081842239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1081973371) 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, 540986655 + 540986656.

It is an arithmetic number, because the mean of its divisors is an integer number (540986656).

Almost surely, 21081973311 is an apocalyptic number.

1081973311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1081973311 is an equidigital number, since it uses as much as digits as its factorization.

1081973311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 1081973311 is about 32893.3627195518. The cubic root of 1081973311 is about 1026.6100608420.

The spelling of 1081973311 in words is "one billion, eighty-one million, nine hundred seventy-three thousand, three hundred eleven".