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530423444057081 = 2323061888872047
BaseRepresentation
bin111100010011010101101010…
…0111101101010101111111001
32120120001222121210222021021212
41320212223110331222233321
51024010424203134311311
65120041055524412505
7216503554262552561
oct17046532475525771
92516058553867255
10530423444057081
11144011357072303
124b5a774a247135
13199c79404c90a3
1494da8bb449da1
15414c7e7397c8b
hex1e26ad4f6abf9

530423444057081 has 4 divisors (see below), whose sum is σ = 553485332929152. Its totient is φ = 507361555185012.

The previous prime is 530423444057069. The next prime is 530423444057147. The reversal of 530423444057081 is 180750444324035.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 530423444057081 - 246 = 460054699879417 is a prime.

It is a super-2 number, since 2×5304234440570812 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (530423444257081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11530944436001 + ... + 11530944436046.

It is an arithmetic number, because the mean of its divisors is an integer number (138371333232288).

Almost surely, 2530423444057081 is an apocalyptic number.

It is an amenable number.

530423444057081 is a deficient number, since it is larger than the sum of its proper divisors (23061888872071).

530423444057081 is a wasteful number, since it uses less digits than its factorization.

530423444057081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23061888872070.

The product of its (nonzero) digits is 6451200, while the sum is 50.

The spelling of 530423444057081 in words is "five hundred thirty trillion, four hundred twenty-three billion, four hundred forty-four million, fifty-seven thousand, eighty-one".

Divisors: 1 23 23061888872047 530423444057081