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105418454419 is a prime number
BaseRepresentation
bin110001000101101101…
…1011111010110010011
3101002002210102100100201
41202023123133112103
53211344111020134
6120232323200031
710421240035465
oct1421333372623
9332083370321
10105418454419
1140786a73103
1218520516017
139c302716a5
14516092c135
152b1ec9c914
hex188b6df593

105418454419 has 2 divisors, whose sum is σ = 105418454420. Its totient is φ = 105418454418.

The previous prime is 105418454387. The next prime is 105418454431. The reversal of 105418454419 is 914454814501.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105418454419 - 25 = 105418454387 is a prime.

It is a super-2 number, since 2×1054184544192 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105418454819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52709227209 + 52709227210.

It is an arithmetic number, because the mean of its divisors is an integer number (52709227210).

Almost surely, 2105418454419 is an apocalyptic number.

105418454419 is a deficient number, since it is larger than the sum of its proper divisors (1).

105418454419 is an equidigital number, since it uses as much as digits as its factorization.

105418454419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 460800, while the sum is 46.

The spelling of 105418454419 in words is "one hundred five billion, four hundred eighteen million, four hundred fifty-four thousand, four hundred nineteen".