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42452745319 = 43198498249
BaseRepresentation
bin100111100010011000…
…010111110001100111
311001120121022220112201
4213202120113301213
51143420400322234
631300313355331
73032006244535
oct474230276147
9131517286481
1042452745319
1117005516996
128289408b47
13400727805a
1420aa23b155
151186ecb314
hex9e2617c67

42452745319 has 4 divisors (see below), whose sum is σ = 42551244000. Its totient is φ = 42354246640.

The previous prime is 42452745299. The next prime is 42452745331. The reversal of 42452745319 is 91354725424.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42452745319 is a prime.

It is a super-2 number, since 2×424527453192 (a number of 22 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 (42452745619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49248694 + ... + 49249555.

It is an arithmetic number, because the mean of its divisors is an integer number (10637811000).

Almost surely, 242452745319 is an apocalyptic number.

42452745319 is a deficient number, since it is larger than the sum of its proper divisors (98498681).

42452745319 is an equidigital number, since it uses as much as digits as its factorization.

42452745319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98498680.

The product of its digits is 1209600, while the sum is 46.

The spelling of 42452745319 in words is "forty-two billion, four hundred fifty-two million, seven hundred forty-five thousand, three hundred nineteen".

Divisors: 1 431 98498249 42452745319