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530455281890 = 25113469429453
BaseRepresentation
bin1111011100000011001…
…10010100000011100010
31212201012100012022221212
413232001212110003202
532142333023010030
61043404321350122
753216114333552
oct7560146240342
91781170168855
10530455281890
11194a681a5556
1286980498342
133b03893ba31
141b961d03162
15dbe96e0595
hex7b819940e2

530455281890 has 16 divisors (see below), whose sum is σ = 963269239608. Its totient is φ = 210304394496.

The previous prime is 530455281883. The next prime is 530455281947. The reversal of 530455281890 is 98182554035.

It can be written as a sum of positive squares in 4 ways, for example, as 289070748409 + 241384533481 = 537653^2 + 491309^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234713597 + ... + 234715856.

Almost surely, 2530455281890 is an apocalyptic number.

530455281890 is a deficient number, since it is larger than the sum of its proper divisors (432813957718).

530455281890 is a wasteful number, since it uses less digits than its factorization.

530455281890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469429573.

The product of its (nonzero) digits is 1728000, while the sum is 50.

The spelling of 530455281890 in words is "five hundred thirty billion, four hundred fifty-five million, two hundred eighty-one thousand, eight hundred ninety".

Divisors: 1 2 5 10 113 226 565 1130 469429453 938858906 2347147265 4694294530 53045528189 106091056378 265227640945 530455281890