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531253560442 = 211101239088011
BaseRepresentation
bin1111011101100010010…
…11100000010001111010
31212210020222022002021011
413232301023200101322
532201001402413232
61044015435304134
753244646520353
oct7566113402172
91783228262234
10531253560442
1119533786aaa0
1286b638ab04a
133b13513b1c7
141b9d9d40d2a
15dc44827547
hex7bb12e047a

531253560442 has 16 divisors (see below), whose sum is σ = 877931180064. Its totient is φ = 239088010000.

The previous prime is 531253560407. The next prime is 531253560449. The reversal of 531253560442 is 244065352135.

It is a junction number, because it is equal to n+sod(n) for n = 531253560395 and 531253560404.

It is not an unprimeable number, because it can be changed into a prime (531253560449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119541784 + ... + 119546227.

It is an arithmetic number, because the mean of its divisors is an integer number (54870698754).

Almost surely, 2531253560442 is an apocalyptic number.

531253560442 is a deficient number, since it is larger than the sum of its proper divisors (346677619622).

531253560442 is a wasteful number, since it uses less digits than its factorization.

531253560442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239088125.

The product of its (nonzero) digits is 432000, while the sum is 40.

The spelling of 531253560442 in words is "five hundred thirty-one billion, two hundred fifty-three million, five hundred sixty thousand, four hundred forty-two".

Divisors: 1 2 11 22 101 202 1111 2222 239088011 478176022 2629968121 5259936242 24147889111 48295778222 265626780221 531253560442