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14345105381 is a prime number
BaseRepresentation
bin11010101110000100…
…01110111111100101
31101000201211212011022
431113002032333211
5213334321333011
610331241220525
71015325245445
oct152702167745
941021755138
1014345105381
1160a148aaa2
122944191745
131477c70249
149a126c125
1558e5a18db
hex35708efe5

14345105381 has 2 divisors, whose sum is σ = 14345105382. Its totient is φ = 14345105380.

The previous prime is 14345105371. The next prime is 14345105473. The reversal of 14345105381 is 18350154341.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13017669025 + 1327436356 = 114095^2 + 36434^2 .

It is an emirp because it is prime and its reverse (18350154341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14345105381 - 210 = 14345104357 is a prime.

It is a super-2 number, since 2×143451053812 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14345105311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7172552690 + 7172552691.

It is an arithmetic number, because the mean of its divisors is an integer number (7172552691).

Almost surely, 214345105381 is an apocalyptic number.

It is an amenable number.

14345105381 is a deficient number, since it is larger than the sum of its proper divisors (1).

14345105381 is an equidigital number, since it uses as much as digits as its factorization.

14345105381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 14345105381 in words is "fourteen billion, three hundred forty-five million, one hundred five thousand, three hundred eighty-one".