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531052245351 = 32111975269787
BaseRepresentation
bin1111011101001010010…
…11100011000101100111
31212202201221111012212200
413232211023203011213
532200043333322401
61043543444345543
753236653415035
oct7564513430547
91782657435780
10531052245351
11195244169a91
1286b083a52b3
133b102513454
141b9bb2d9555
15dc31d0d686
hex7ba52e3167

531052245351 has 12 divisors (see below), whose sum is σ = 767144118312. Its totient is φ = 354003144336.

The previous prime is 531052245343. The next prime is 531052245469. The reversal of 531052245351 is 153542250135.

531052245351 is a `hidden beast` number, since 5 + 3 + 10 + 52 + 245 + 351 = 666.

It is not a de Polignac number, because 531052245351 - 23 = 531052245343 is a prime.

It is a super-2 number, since 2×5310522453512 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531052241351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2534121 + ... + 2735666.

It is an arithmetic number, because the mean of its divisors is an integer number (63928676526).

Almost surely, 2531052245351 is an apocalyptic number.

531052245351 is a deficient number, since it is larger than the sum of its proper divisors (236091872961).

531052245351 is a wasteful number, since it uses less digits than its factorization.

531052245351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5280990 (or 5280987 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

Adding to 531052245351 its reverse (153542250135), we get a palindrome (684594495486).

The spelling of 531052245351 in words is "five hundred thirty-one billion, fifty-two million, two hundred forty-five thousand, three hundred fifty-one".

Divisors: 1 3 9 11197 33591 100773 5269787 15809361 47428083 59005805039 177017415117 531052245351