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531015545243341 = 4724947112385503
BaseRepresentation
bin111100010111101001011000…
…0111100011100011011001101
32120122011120221100211000100001
41320233102300330130123031
51024100124314040241331
65121213101312004301
7216564415143603244
oct17057226074343315
92518146840730301
10531015545243341
1114421a47881a164
124b682453830691
1319a3b721880bc2
14951b40a64595b
15415cdeda56561
hex1e2f4b0f1c6cd

531015545243341 has 4 divisors (see below), whose sum is σ = 531015662353792. Its totient is φ = 531015428132892.

The previous prime is 531015545243303. The next prime is 531015545243347. The reversal of 531015545243341 is 143342545510135.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 531015545243341 - 29 = 531015545242829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 531015545243291 and 531015545243300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531015545243347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51467805 + ... + 60917698.

It is an arithmetic number, because the mean of its divisors is an integer number (132753915588448).

Almost surely, 2531015545243341 is an apocalyptic number.

It is an amenable number.

531015545243341 is a deficient number, since it is larger than the sum of its proper divisors (117110451).

531015545243341 is a wasteful number, since it uses less digits than its factorization.

531015545243341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117110450.

The product of its (nonzero) digits is 2160000, while the sum is 46.

The spelling of 531015545243341 in words is "five hundred thirty-one trillion, fifteen billion, five hundred forty-five million, two hundred forty-three thousand, three hundred forty-one".

Divisors: 1 4724947 112385503 531015545243341