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494510542231 = 521949156511
BaseRepresentation
bin1110011001000110010…
…00000000110110010111
31202021102021211100211211
413030203020000312113
531100224144322411
61015101445042251
750504301153316
oct7144310006627
91667367740754
10494510542231
111807a2344642
127ba0a6b6387
133782aa88704
1419d1215227d
15cce3c47221
hex7323200d97

494510542231 has 4 divisors (see below), whose sum is σ = 495459699264. Its totient is φ = 493561385200.

The previous prime is 494510542223. The next prime is 494510542237. The reversal of 494510542231 is 132245015494.

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

It is a cyclic number.

It is not a de Polignac number, because 494510542231 - 23 = 494510542223 is a prime.

It is a super-2 number, since 2×4945105422312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494510542237) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 474577735 + ... + 474578776.

It is an arithmetic number, because the mean of its divisors is an integer number (123864924816).

Almost surely, 2494510542231 is an apocalyptic number.

494510542231 is a deficient number, since it is larger than the sum of its proper divisors (949157033).

494510542231 is an equidigital number, since it uses as much as digits as its factorization.

494510542231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949157032.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 494510542231 in words is "four hundred ninety-four billion, five hundred ten million, five hundred forty-two thousand, two hundred thirty-one".

Divisors: 1 521 949156511 494510542231