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13424440020031 = 251220272428103
BaseRepresentation
bin1100001101011001111011…
…1110101000110000111111
31202112100211022021112222101
43003112132332220300333
53224421223121120111
644315034055125531
72553612065265205
oct303263676506077
952470738245871
1013424440020031
114306300464957
1216098b59738a7
13764bc4807071
14345a64045075
151843019dcbc1
hexc359efa8c3f

13424440020031 has 8 divisors (see below), whose sum is σ = 13478541277824. Its totient is φ = 13370343663000.

The previous prime is 13424440020007. The next prime is 13424440020059. The reversal of 13424440020031 is 13002004442431.

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 13424440020031 - 229 = 13423903149119 is a prime.

It is a super-3 number, since 3×134244400200313 (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13424440020931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4314726 + ... + 6742828.

It is an arithmetic number, because the mean of its divisors is an integer number (1684817659728).

Almost surely, 213424440020031 is an apocalyptic number.

13424440020031 is a deficient number, since it is larger than the sum of its proper divisors (54101257793).

13424440020031 is a wasteful number, since it uses less digits than its factorization.

13424440020031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2450381.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 13424440020031 its reverse (13002004442431), we get a palindrome (26426444462462).

The spelling of 13424440020031 in words is "thirteen trillion, four hundred twenty-four billion, four hundred forty million, twenty thousand, thirty-one".

Divisors: 1 251 22027 2428103 5528777 609453853 53483824781 13424440020031