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531512005332 = 223711985158393
BaseRepresentation
bin1111011110000001001…
…01011001001011010100
31212210220222121110000010
413233000211121023110
532202014033132312
61044101230520220
753254235334120
oct7570045311324
91783828543003
10531512005332
1119545a741510
1287016366070
133b176849689
141ba223b8580
15dc5c37893c
hex7bc09592d4

531512005332 has 96 divisors (see below), whose sum is σ = 1546400185344. Its totient is φ = 138038688000.

The previous prime is 531512005331. The next prime is 531512005429. The reversal of 531512005332 is 233500215135.

It is a self number, because there is not a number n which added to its sum of digits gives 531512005332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531512005331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9073128 + ... + 9131520.

It is an arithmetic number, because the mean of its divisors is an integer number (16108335264).

Almost surely, 2531512005332 is an apocalyptic number.

It is an amenable number.

531512005332 is an abundant number, since it is smaller than the sum of its proper divisors (1014888180012).

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

531512005332 is a wasteful number, since it uses less digits than its factorization.

531512005332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68269 (or 68267 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 30.

The spelling of 531512005332 in words is "five hundred thirty-one billion, five hundred twelve million, five thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 7 11 12 14 21 22 28 33 42 44 66 77 84 132 154 231 308 462 924 9851 19702 29553 39404 58393 59106 68957 108361 116786 118212 137914 175179 206871 216722 233572 275828 325083 350358 408751 413742 433444 642323 650166 700716 758527 817502 827484 1226253 1284646 1300332 1517054 1635004 1926969 2275581 2452506 2569292 3034108 3853938 4496261 4551162 4905012 7707876 8992522 9102324 13488783 17985044 26977566 53955132 575229443 1150458886 1725688329 2300917772 3451376658 4026606101 6327523873 6902753316 8053212202 12079818303 12655047746 16106424404 18982571619 24159636606 25310095492 37965143238 44292667111 48319273212 75930286476 88585334222 132878001333 177170668444 265756002666 531512005332