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1016083891 is a prime number
BaseRepresentation
bin111100100100000…
…011010110110011
32121210221102001201
4330210003112303
54040104141031
6244454112031
734115366464
oct7444032663
92553842051
101016083891
11481609959
1224434b617
1313267bc94
1498d36d6b
155e30bd61
hex3c9035b3

1016083891 has 2 divisors, whose sum is σ = 1016083892. Its totient is φ = 1016083890.

The previous prime is 1016083889. The next prime is 1016083951. The reversal of 1016083891 is 1983806101.

1016083891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1016083891 - 21 = 1016083889 is a prime.

Together with 1016083889, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1016083891.

It is not a weakly prime, because it can be changed into another prime (1016083801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 508041945 + 508041946.

It is an arithmetic number, because the mean of its divisors is an integer number (508041946).

Almost surely, 21016083891 is an apocalyptic number.

1016083891 is a deficient number, since it is larger than the sum of its proper divisors (1).

1016083891 is an equidigital number, since it uses as much as digits as its factorization.

1016083891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 1016083891 is about 31876.0708212289. The cubic root of 1016083891 is about 1005.3328076100.

Adding to 1016083891 its reverse (1983806101), we get a palindrome (2999889992).

The spelling of 1016083891 in words is "one billion, sixteen million, eighty-three thousand, eight hundred ninety-one".