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530956612985 = 5106191322597
BaseRepresentation
bin1111011100111110111…
…10101111010101111001
31212202111021112120221012
413232133132233111321
532144344343103420
61043530150523305
753234412513341
oct7563736572571
91782437476835
10530956612985
111951a5190a77
1286aa0366535
133b0b876b956
141b9ac723d21
15dc2871cdc5
hex7b9f7af579

530956612985 has 4 divisors (see below), whose sum is σ = 637147935588. Its totient is φ = 424765290384.

The previous prime is 530956612957. The next prime is 530956613009. The reversal of 530956612985 is 589216659035.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 417692056681 + 113264556304 = 646291^2 + 336548^2 .

It is a cyclic number.

It is not a de Polignac number, because 530956612985 - 216 = 530956547449 is a prime.

It is a super-2 number, since 2×5309566129852 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53095661294 + ... + 53095661303.

It is an arithmetic number, because the mean of its divisors is an integer number (159286983897).

Almost surely, 2530956612985 is an apocalyptic number.

It is an amenable number.

530956612985 is a deficient number, since it is larger than the sum of its proper divisors (106191322603).

530956612985 is a wasteful number, since it uses less digits than its factorization.

530956612985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106191322602.

The product of its (nonzero) digits is 17496000, while the sum is 59.

The spelling of 530956612985 in words is "five hundred thirty billion, nine hundred fifty-six million, six hundred twelve thousand, nine hundred eighty-five".

Divisors: 1 5 106191322597 530956612985