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8440950131 is a prime number
BaseRepresentation
bin1111101110001111…
…01010110101110011
3210210021010200202122
413313013222311303
5114241340401011
63513330504455
7416113615025
oct76707526563
923707120678
108440950131
113641772849
121776a3512b
13a469c1863
145a108c015
1534609c3db
hex1f71ead73

8440950131 has 2 divisors, whose sum is σ = 8440950132. Its totient is φ = 8440950130.

The previous prime is 8440950121. The next prime is 8440950187. The reversal of 8440950131 is 1310590448.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8440950131 - 210 = 8440949107 is a prime.

It is a super-2 number, since 2×84409501312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8440950091 and 8440950100.

It is not a weakly prime, because it can be changed into another prime (8440950121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4220475065 + 4220475066.

It is an arithmetic number, because the mean of its divisors is an integer number (4220475066).

Almost surely, 28440950131 is an apocalyptic number.

8440950131 is a deficient number, since it is larger than the sum of its proper divisors (1).

8440950131 is an equidigital number, since it uses as much as digits as its factorization.

8440950131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 8440950131 is about 91874.6435693766. The cubic root of 8440950131 is about 2036.0906589700.

The spelling of 8440950131 in words is "eight billion, four hundred forty million, nine hundred fifty thousand, one hundred thirty-one".