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40833868189 is a prime number
BaseRepresentation
bin100110000001111000…
…110110000110011101
310220101210010102121111
4212001320312012131
51132111432240224
630431523302021
72643621103252
oct460170660635
9126353112544
1040833868189
1116354721604
127ab721a911
133b09a62caa
141d95231429
1510decedd94
hex981e3619d

40833868189 has 2 divisors, whose sum is σ = 40833868190. Its totient is φ = 40833868188.

The previous prime is 40833868177. The next prime is 40833868211. The reversal of 40833868189 is 98186833804.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40659496164 + 174372025 = 201642^2 + 13205^2 .

It is a cyclic number.

It is not a de Polignac number, because 40833868189 - 25 = 40833868157 is a prime.

It is a super-2 number, since 2×408338681892 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40833868129) 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, 20416934094 + 20416934095.

It is an arithmetic number, because the mean of its divisors is an integer number (20416934095).

Almost surely, 240833868189 is an apocalyptic number.

It is an amenable number.

40833868189 is a deficient number, since it is larger than the sum of its proper divisors (1).

40833868189 is an equidigital number, since it uses as much as digits as its factorization.

40833868189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7962624, while the sum is 58.

The spelling of 40833868189 in words is "forty billion, eight hundred thirty-three million, eight hundred sixty-eight thousand, one hundred eighty-nine".