Search a number
-
+
1010132381 is a prime number
BaseRepresentation
bin111100001101010…
…110010110011101
32121101202001010102
4330031112112131
54032043214011
6244122350445
734013661236
oct7415262635
92541661112
101010132381
11479214455
1224235b425
1313137708b
149822808d
155da3373b
hex3c35659d

1010132381 has 2 divisors, whose sum is σ = 1010132382. Its totient is φ = 1010132380.

The previous prime is 1010132369. The next prime is 1010132429. The reversal of 1010132381 is 1832310101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 539632900 + 470499481 = 23230^2 + 21691^2 .

It is an emirp because it is prime and its reverse (1832310101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1010132381 - 218 = 1009870237 is a prime.

It is a super-2 number, since 2×10101323812 = 2040734854289458322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010132281) 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, 505066190 + 505066191.

It is an arithmetic number, because the mean of its divisors is an integer number (505066191).

Almost surely, 21010132381 is an apocalyptic number.

It is an amenable number.

1010132381 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010132381 is an equidigital number, since it uses as much as digits as its factorization.

1010132381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1010132381 is about 31782.5798355011. The cubic root of 1010132381 is about 1003.3661168770.

Adding to 1010132381 its reverse (1832310101), we get a palindrome (2842442482).

The spelling of 1010132381 in words is "one billion, ten million, one hundred thirty-two thousand, three hundred eighty-one".