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30144122173439 = 503467471281979
BaseRepresentation
bin1101101101010011110011…
…01100011011011111111111
310221201202020200222202010122
412312221321230123133333
512422340130234022224
6144040004001325155
76230561306554661
oct666517154333777
9127652220882118
1030144122173439
1196720611250aa
12346a1716367bb
1313a876a02ac11
14762daa252531
153741b785515e
hex1b6a79b1b7ff

30144122173439 has 8 divisors (see below), whose sum is σ = 30204720524160. Its totient is φ = 30083526481176.

The previous prime is 30144122173433. The next prime is 30144122173447. The reversal of 30144122173439 is 93437122144103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30144122173439 - 216 = 30144122107903 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30144122173439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30144122173433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22872752 + ... + 24154730.

It is an arithmetic number, because the mean of its divisors is an integer number (3775590065520).

Almost surely, 230144122173439 is an apocalyptic number.

30144122173439 is a deficient number, since it is larger than the sum of its proper divisors (60598350721).

30144122173439 is a wasteful number, since it uses less digits than its factorization.

30144122173439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329229.

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 30144122173439 in words is "thirty trillion, one hundred forty-four billion, one hundred twenty-two million, one hundred seventy-three thousand, four hundred thirty-nine".

Divisors: 1 503 46747 1281979 23513741 644835437 59928672313 30144122173439