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512531053531011 = 321245122367204487
BaseRepresentation
bin111010010001001001110111…
…1011000011100111110000011
32111012201111020100120021200200
41310202103233120130332003
51014134302044200443021
65014021303204020243
7212646101204501514
oct16442235730347603
92435644210507620
10512531053531011
11139343221074589
1249597b50991683
1318cca617926c58
14907c8c758aa0b
153e3c1977d3126
hex1d224ef61cf83

512531053531011 has 24 divisors (see below), whose sum is σ = 740418814147584. Its totient is φ = 341642980537200.

The previous prime is 512531053530997. The next prime is 512531053531031. The reversal of 512531053531011 is 110135350135215.

512531053531011 is a `hidden beast` number, since 5 + 1 + 2 + 5 + 3 + 10 + 535 + 3 + 101 + 1 = 666.

It is not a de Polignac number, because 512531053531011 - 231 = 512528906047363 is a prime.

It is a super-2 number, since 2×5125310535310112 (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (512531053531031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2506321410 + ... + 2506525896.

It is an arithmetic number, because the mean of its divisors is an integer number (30850783922816).

Almost surely, 2512531053531011 is an apocalyptic number.

512531053531011 is a deficient number, since it is larger than the sum of its proper divisors (227887760616573).

512531053531011 is a wasteful number, since it uses less digits than its factorization.

512531053531011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239311 (or 239308 counting only the distinct ones).

The product of its (nonzero) digits is 33750, while the sum is 36.

The spelling of 512531053531011 in words is "five hundred twelve trillion, five hundred thirty-one billion, fifty-three million, five hundred thirty-one thousand, eleven".

Divisors: 1 3 9 12451 22367 37353 67101 112059 201303 204487 613461 1840383 278491517 835474551 2506423653 2546067637 4573760729 7638202911 13721282187 22914608733 41163846561 56947894836779 170843684510337 512531053531011