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5144321305231 = 167109597281069
BaseRepresentation
bin100101011011100000101…
…1100011010101010001111
3200012210101121010001112021
41022313001130122222033
51133241032223231411
614535134002551011
71040444035421023
oct112670134325217
920183347101467
105144321305231
1117037702a0239
126b1006968467
132b4151cc4cb4
1413adb4c86383
158dc379d4a71
hex4adc171aa8f

5144321305231 has 8 divisors (see below), whose sum is σ = 5175191256480. Its totient is φ = 5113452135648.

The previous prime is 5144321305219. The next prime is 5144321305247. The reversal of 5144321305231 is 1325031234415.

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 5144321305231 - 223 = 5144312916623 is a prime.

It is a super-2 number, since 2×51443213052312 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5144321365231) 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, 18162165 + ... + 18443233.

It is an arithmetic number, because the mean of its divisors is an integer number (646898907060).

Almost surely, 25144321305231 is an apocalyptic number.

5144321305231 is a deficient number, since it is larger than the sum of its proper divisors (30869951249).

5144321305231 is a wasteful number, since it uses less digits than its factorization.

5144321305231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390833.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 5144321305231 its reverse (1325031234415), we get a palindrome (6469352539646).

The spelling of 5144321305231 in words is "five trillion, one hundred forty-four billion, three hundred twenty-one million, three hundred five thousand, two hundred thirty-one".

Divisors: 1 167 109597 281069 18302699 46938523 30804319193 5144321305231