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531320514102 = 232722920772559
BaseRepresentation
bin1111011101101010010…
…10111010011000110110
31212210102122021200102100
413232311022322120312
532201121022422402
61044030230322530
753246421565500
oct7566512723066
91783378250370
10531320514102
111953716402a4
1286b821b9446
133b145c81261
141ba04bacd70
15dc4a65071c
hex7bb52ba636

531320514102 has 72 divisors (see below), whose sum is σ = 1385322026400. Its totient is φ = 146571169248.

The previous prime is 531320514037. The next prime is 531320514103. The reversal of 531320514102 is 201415023135.

531320514102 is a `hidden beast` number, since 5 + 3 + 132 + 0 + 514 + 10 + 2 = 666.

It is a super-2 number, since 2×5313205141022 (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 (531320514103) 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 35 ways as a sum of consecutive naturals, for example, 10360702 + ... + 10411857.

It is an arithmetic number, because the mean of its divisors is an integer number (19240583700).

Almost surely, 2531320514102 is an apocalyptic number.

531320514102 is an abundant number, since it is smaller than the sum of its proper divisors (854001512298).

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

531320514102 is a wasteful number, since it uses less digits than its factorization.

531320514102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20772610 (or 20772600 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 531320514102 its reverse (201415023135), we get a palindrome (732735537237).

The spelling of 531320514102 in words is "five hundred thirty-one billion, three hundred twenty million, five hundred fourteen thousand, one hundred two".

Divisors: 1 2 3 6 7 9 14 18 21 29 42 49 58 63 87 98 126 147 174 203 261 294 406 441 522 609 882 1218 1421 1827 2842 3654 4263 8526 12789 25578 20772559 41545118 62317677 124635354 145407913 186953031 290815826 373906062 436223739 602404211 872447478 1017855391 1204808422 1308671217 1807212633 2035710782 2617342434 3053566173 3614425266 4216829477 5421637899 6107132346 8433658954 9160698519 10843275798 12650488431 18321397038 25300976862 29517806339 37951465293 59035612678 75902930586 88553419017 177106838034 265660257051 531320514102