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42252152425 = 527258495897
BaseRepresentation
bin100111010110011011…
…001010111001101001
311001001121212201211021
4213112123022321221
51143013022334200
631224350132441
73024022240600
oct472633127151
9131047781737
1042252152425
1116a1226953a
1282321b1121
133ca4843c32
14208b742a37
1511745a641a
hex9d66cae69

42252152425 has 36 divisors (see below), whose sum is σ = 60967331100. Its totient is φ = 28963038720.

The previous prime is 42252152377. The next prime is 42252152441. The reversal of 42252152425 is 52425125224.

It can be written as a sum of positive squares in 6 ways, for example, as 25190361 + 42226962064 = 5019^2 + 205492^2 .

It is a de Polignac number, because none of the positive numbers 2k-42252152425 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7162077 + ... + 7167973.

It is an arithmetic number, because the mean of its divisors is an integer number (1693536975).

Almost surely, 242252152425 is an apocalyptic number.

It is an amenable number.

42252152425 is a deficient number, since it is larger than the sum of its proper divisors (18715178675).

42252152425 is a wasteful number, since it uses less digits than its factorization.

42252152425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11770 (or 11758 counting only the distinct ones).

The product of its digits is 64000, while the sum is 34.

Adding to 42252152425 its reverse (52425125224), we get a palindrome (94677277649).

The spelling of 42252152425 in words is "forty-two billion, two hundred fifty-two million, one hundred fifty-two thousand, four hundred twenty-five".

Divisors: 1 5 7 25 35 49 175 245 1225 5849 5897 29245 29485 40943 41279 146225 147425 204715 206395 286601 288953 1023575 1031975 1433005 1444765 7165025 7223825 34491553 172457765 241440871 862288825 1207204355 1690086097 6036021775 8450430485 42252152425