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42523144354 = 23140110631609
BaseRepresentation
bin100111100110100100…
…111011000010100010
311001202111210112212101
4213212210323002202
51144041411104404
631311310321014
73033522522535
oct474644730242
9131674715771
1042523144354
111704122a809
1282a8ab916a
134018a263a2
1420b5724a1c
15118d2852a4
hex9e693b0a2

42523144354 has 32 divisors (see below), whose sum is σ = 66109639680. Its totient is φ = 20492352000.

The previous prime is 42523144343. The next prime is 42523144357. The reversal of 42523144354 is 45344132524.

It is a super-2 number, since 2×425231443542 (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (42523144357) 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 15 ways as a sum of consecutive naturals, for example, 26427502 + ... + 26429110.

It is an arithmetic number, because the mean of its divisors is an integer number (2065926240).

Almost surely, 242523144354 is an apocalyptic number.

42523144354 is a deficient number, since it is larger than the sum of its proper divisors (23586495326).

42523144354 is a wasteful number, since it uses less digits than its factorization.

42523144354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3106.

The product of its digits is 230400, while the sum is 37.

Adding to 42523144354 its reverse (45344132524), we get a palindrome (87867276878).

The spelling of 42523144354 in words is "forty-two billion, five hundred twenty-three million, one hundred forty-four thousand, three hundred fifty-four".

Divisors: 1 2 31 62 401 802 1063 1609 2126 3218 12431 24862 32953 49879 65906 99758 426263 645209 852526 1290418 1710367 3420734 13214153 20001479 26428306 40002958 53021377 106042754 685857167 1371714334 21261572177 42523144354