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42144353125 = 5577432593
BaseRepresentation
bin100111001111111111…
…111100101101100101
311000210010000221222121
4213033333330231211
51142302423300000
631205535425541
73021243043120
oct471777745545
9130703027877
1042144353125
1116967430306
1282020852b1
133c883cc474
14207b2c13b7
151169db0b1a
hex9cfffcb65

42144353125 has 48 divisors (see below), whose sum is σ = 60306640128. Its totient is φ = 28848960000.

The previous prime is 42144353077. The next prime is 42144353137. The reversal of 42144353125 is 52135344124.

It is not a de Polignac number, because 42144353125 - 27 = 42144352997 is a prime.

It is a super-2 number, since 2×421443531252 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16251829 + ... + 16254421.

It is an arithmetic number, because the mean of its divisors is an integer number (1256388336).

Almost surely, 242144353125 is an apocalyptic number.

It is an amenable number.

42144353125 is a deficient number, since it is larger than the sum of its proper divisors (18162287003).

42144353125 is an frugal number, since it uses more digits than its factorization.

42144353125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3368 (or 3348 counting only the distinct ones).

The product of its digits is 57600, while the sum is 34.

Adding to 42144353125 its reverse (52135344124), we get a palindrome (94279697249).

Subtracting 42144353125 from its reverse (52135344124), we obtain a palindrome (9990990999).

The spelling of 42144353125 in words is "forty-two billion, one hundred forty-four million, three hundred fifty-three thousand, one hundred twenty-five".

Divisors: 1 5 7 25 35 125 175 625 743 875 2593 3125 3715 4375 5201 12965 18151 18575 21875 26005 64825 90755 92875 130025 324125 453775 464375 650125 1620625 1926599 2268875 2321875 3250625 8103125 9632995 11344375 13486193 16253125 48164975 56721875 67430965 240824875 337154825 1204124375 1685774125 6020621875 8428870625 42144353125