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1146011557 is a prime number
BaseRepresentation
bin100010001001110…
…1011111110100101
32221212102102022111
41010103223332211
54321334332212
6305415001021
740253636365
oct10423537645
92855372274
101146011557
11538991499
1227b969171
13153570862
14ac2b89a5
156a923ea7
hex444ebfa5

1146011557 has 2 divisors, whose sum is σ = 1146011558. Its totient is φ = 1146011556.

The previous prime is 1146011519. The next prime is 1146011561. The reversal of 1146011557 is 7551106411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1054885441 + 91126116 = 32479^2 + 9546^2 .

It is an emirp because it is prime and its reverse (7551106411) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1146011557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1146011507) 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, 573005778 + 573005779.

It is an arithmetic number, because the mean of its divisors is an integer number (573005779).

Almost surely, 21146011557 is an apocalyptic number.

It is an amenable number.

1146011557 is a deficient number, since it is larger than the sum of its proper divisors (1).

1146011557 is an equidigital number, since it uses as much as digits as its factorization.

1146011557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 31.

The square root of 1146011557 is about 33852.7924549807. The cubic root of 1146011557 is about 1046.4769473143.

Adding to 1146011557 its reverse (7551106411), we get a palindrome (8697117968).

The spelling of 1146011557 in words is "one billion, one hundred forty-six million, eleven thousand, five hundred fifty-seven".