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2146354031 is a prime number
BaseRepresentation
bin111111111101110…
…1100001101101111
312112120202002012202
41333323230031233
513343431312111
6552551452115
7104121464633
oct17773541557
95476662182
102146354031
11a01619608
124ba98703b
1328289a893
141650b4dc3
15c8671b3b
hex7feec36f

2146354031 has 2 divisors, whose sum is σ = 2146354032. Its totient is φ = 2146354030.

The previous prime is 2146354013. The next prime is 2146354039. The reversal of 2146354031 is 1304536412.

Together with previous prime (2146354013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2146354031 - 210 = 2146353007 is a prime.

It is a super-2 number, since 2×21463540312 = 9213671252779897922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2146353985 and 2146354003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2146354039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1073177015 + 1073177016.

It is an arithmetic number, because the mean of its divisors is an integer number (1073177016).

Almost surely, 22146354031 is an apocalyptic number.

2146354031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2146354031 is an equidigital number, since it uses as much as digits as its factorization.

2146354031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 2146354031 is about 46328.7603007031. The cubic root of 2146354031 is about 1289.9328993802.

The spelling of 2146354031 in words is "two billion, one hundred forty-six million, three hundred fifty-four thousand, thirty-one".