Search a number
-
+
1053109481 is a prime number
BaseRepresentation
bin111110110001010…
…010110011101001
32201101121111121212
4332301102303221
54124044000411
6252255442505
735045166014
oct7661226351
92641544555
101053109481
114a04a8816
12254826435
1313a243a08
149dc1437b
15626c268b
hex3ec52ce9

1053109481 has 2 divisors, whose sum is σ = 1053109482. Its totient is φ = 1053109480.

The previous prime is 1053109469. The next prime is 1053109507. The reversal of 1053109481 is 1849013501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 617969881 + 435139600 = 24859^2 + 20860^2 .

It is an emirp because it is prime and its reverse (1849013501) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1053109481 is a prime.

It is a super-2 number, since 2×10531094812 = 2218079157944178722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1053102481) 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, 526554740 + 526554741.

It is an arithmetic number, because the mean of its divisors is an integer number (526554741).

Almost surely, 21053109481 is an apocalyptic number.

It is an amenable number.

1053109481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1053109481 is an equidigital number, since it uses as much as digits as its factorization.

1053109481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 1053109481 is about 32451.6483556691. The cubic root of 1053109481 is about 1017.3986902978.

The spelling of 1053109481 in words is "one billion, fifty-three million, one hundred nine thousand, four hundred eighty-one".