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105381930439 is a prime number
BaseRepresentation
bin110001000100101000…
…0001010010111000111
3101002000020200201212201
41202021100022113013
53211310233233224
6120224540255331
710420314425542
oct1421120122707
9332006621781
10105381930439
11407683970a5
1218510241547
139c25824076
145159b41859
152b1b985a44
hex188940a5c7

105381930439 has 2 divisors, whose sum is σ = 105381930440. Its totient is φ = 105381930438.

The previous prime is 105381930421. The next prime is 105381930499. The reversal of 105381930439 is 934039183501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105381930439 - 29 = 105381929927 is a prime.

It is a super-2 number, since 2×1053819304392 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105381930499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52690965219 + 52690965220.

It is an arithmetic number, because the mean of its divisors is an integer number (52690965220).

Almost surely, 2105381930439 is an apocalyptic number.

105381930439 is a deficient number, since it is larger than the sum of its proper divisors (1).

105381930439 is an equidigital number, since it uses as much as digits as its factorization.

105381930439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 349920, while the sum is 46.

The spelling of 105381930439 in words is "one hundred five billion, three hundred eighty-one million, nine hundred thirty thousand, four hundred thirty-nine".