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531504530313414 = 2372113197325924919
BaseRepresentation
bin111100011011001101000101…
…0101110011101000011000110
32120200220100002120111022022220
41320312122022232131003012
51024131132234230012124
65122225451015033210
7216644635512245400
oct17066321256350306
92520810076438286
10531504530313414
11144398895081789
124b74117b96b806
1319a7587b977858
149536d569cdb70
15416a9bc64b879
hex1e3668ab9d0c6

531504530313414 has 192 divisors, whose sum is σ = 1254272156121600. Its totient is φ = 149698566484992.

The previous prime is 531504530313413. The next prime is 531504530313437. The reversal of 531504530313414 is 414313035405135.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531504530313413) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21329275647 + ... + 21329300565.

It is an arithmetic number, because the mean of its divisors is an integer number (6532667479800).

Almost surely, 2531504530313414 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 531504530313414, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (627136078060800).

531504530313414 is an abundant number, since it is smaller than the sum of its proper divisors (722767625808186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

531504530313414 is a wasteful number, since it uses less digits than its factorization.

531504530313414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28507 (or 28500 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 42.

Adding to 531504530313414 its reverse (414313035405135), we get a palindrome (945817565718549).

The spelling of 531504530313414 in words is "five hundred thirty-one trillion, five hundred four billion, five hundred thirty million, three hundred thirteen thousand, four hundred fourteen".