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531676460621457 = 32127568981764591
BaseRepresentation
bin111100011100011101001001…
…0100100100001111010010001
32120201111202212200200220021200
41320320322102210201322101
51024141441342404341312
65122440443310141413
7216663233222613654
oct17070722244417221
92521452780626250
10531676460621457
111444547a2275958
124b76a562ab1869
1319a88b4b7b7738
1495413c6b7d89b
1541701d16900dc
hex1e38e92921e91

531676460621457 has 24 divisors (see below), whose sum is σ = 774160239390720. Its totient is φ = 351598202867520.

The previous prime is 531676460621441. The next prime is 531676460621459. The reversal of 531676460621457 is 754126064676135.

531676460621457 is a `hidden beast` number, since 5 + 3 + 1 + 6 + 7 + 6 + 4 + 606 + 2 + 14 + 5 + 7 = 666.

It is not a de Polignac number, because 531676460621457 - 24 = 531676460621441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 531676460621394 and 531676460621403.

It is not an unprimeable number, because it can be changed into a prime (531676460621459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34379769 + ... + 47384822.

It is an arithmetic number, because the mean of its divisors is an integer number (32256676641280).

Almost surely, 2531676460621457 is an apocalyptic number.

It is an amenable number.

531676460621457 is a deficient number, since it is larger than the sum of its proper divisors (242483778769263).

531676460621457 is a wasteful number, since it uses less digits than its factorization.

531676460621457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81770413 (or 81770410 counting only the distinct ones).

The product of its (nonzero) digits is 152409600, while the sum is 63.

The spelling of 531676460621457 in words is "five hundred thirty-one trillion, six hundred seventy-six billion, four hundred sixty million, six hundred twenty-one thousand, four hundred fifty-seven".

Divisors: 1 3 9 127 381 1143 5689 17067 51201 722503 2167509 6502527 81764591 245293773 735881319 10384103057 31152309171 93456927513 465158758199 1395476274597 4186428823791 59075162291273 177225486873819 531676460621457