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505225131024031 = 11793671158372869
BaseRepresentation
bin111001011011111111110010…
…0011101110101111010011111
32110020212001101001102202022221
41302313333210131311322133
51012210102032020232111
64550305115425250211
7211263211505022505
oct16267774435657237
92406761331382287
10505225131024031
11136a868582a8880
12487b8022193967
13188ba6aa497232
148ca9053816675
153d620e99e8371
hex1cb7fe4775e9f

505225131024031 has 16 divisors (see below), whose sum is σ = 558283371494400. Its totient is φ = 453358171936800.

The previous prime is 505225131023957. The next prime is 505225131024041. The reversal of 505225131024031 is 130420131522505.

It is a cyclic number.

It is not a de Polignac number, because 505225131024031 - 221 = 505225128926879 is a prime.

It is a super-2 number, since 2×5052251310240312 (a number of 30 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 (505225131024041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75996336 + ... + 82376533.

It is an arithmetic number, because the mean of its divisors is an integer number (34892710718400).

Almost surely, 2505225131024031 is an apocalyptic number.

505225131024031 is a deficient number, since it is larger than the sum of its proper divisors (53058240470369).

505225131024031 is a wasteful number, since it uses less digits than its factorization.

505225131024031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158376630.

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 505225131024031 its reverse (130420131522505), we get a palindrome (635645262546536).

The spelling of 505225131024031 in words is "five hundred five trillion, two hundred twenty-five billion, one hundred thirty-one million, twenty-four thousand, thirty-one".

Divisors: 1 11 79 869 3671 40381 290009 3190099 158372869 1742101559 12511456651 137626023161 581386802099 6395254823089 45929557365821 505225131024031