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20444155713353 = 223137366771907
BaseRepresentation
bin1001010011000000001101…
…01000111001011101001001
32200101102221100210112011102
410221200012220321131021
510134424112330311403
6111251525424311145
74210020144214031
oct451400650713511
980342840715142
1020444155713353
116572354a16419
12236226a4724b5
13b53b4c9455c8
145097068b68c1
15256becee8b88
hex129806a39749

20444155713353 has 8 divisors (see below), whose sum is σ = 20550790756608. Its totient is φ = 20337654217104.

The previous prime is 20444155713347. The next prime is 20444155713403. The reversal of 20444155713353 is 35331755144402.

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 20444155713353 - 28 = 20444155713097 is a prime.

It is a super-2 number, since 2×204441557133532 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20444155713298 and 20444155713307.

It is not an unprimeable number, because it can be changed into a prime (20444155713253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33079775 + ... + 33692132.

It is an arithmetic number, because the mean of its divisors is an integer number (2568848844576).

Almost surely, 220444155713353 is an apocalyptic number.

It is an amenable number.

20444155713353 is a deficient number, since it is larger than the sum of its proper divisors (106635043255).

20444155713353 is a wasteful number, since it uses less digits than its factorization.

20444155713353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66773503.

The product of its (nonzero) digits is 3024000, while the sum is 47.

The spelling of 20444155713353 in words is "twenty trillion, four hundred forty-four billion, one hundred fifty-five million, seven hundred thirteen thousand, three hundred fifty-three".

Divisors: 1 223 1373 306179 66771907 14890135261 91677828311 20444155713353