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1000010011181 is a prime number
BaseRepresentation
bin11101000110101010011…
…11011101001000101101
310112121012102021001020112
432203111033131020231
5112341010030324211
62043222005025405
7132151115563106
oct16432517351055
93477172231215
101000010011181
113561136434a5
121419853b5265
13733ba39250c
14365878d13ad
151b02c59288b
hexe8d53dd22d

1000010011181 has 2 divisors, whose sum is σ = 1000010011182. Its totient is φ = 1000010011180.

The previous prime is 1000010011159. The next prime is 1000010011193. The reversal of 1000010011181 is 1811100100001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 707230540900 + 292779470281 = 840970^2 + 541091^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000010011181 - 226 = 999942902317 is a prime.

It is a super-2 number, since 2×10000100111812 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000010011081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500005005590 + 500005005591.

It is an arithmetic number, because the mean of its divisors is an integer number (500005005591).

Almost surely, 21000010011181 is an apocalyptic number.

It is an amenable number.

1000010011181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000010011181 is an equidigital number, since it uses as much as digits as its factorization.

1000010011181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1000010011181 its reverse (1811100100001), we get a palindrome (2811110111182).

The spelling of 1000010011181 in words is "one trillion, ten million, eleven thousand, one hundred eighty-one".