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42525205001 = 53517947151
BaseRepresentation
bin100111100110101100…
…110010001000001001
311001202122200020112122
4213212230302020021
51144042423030001
631311422421025
73033546164336
oct474654621011
9131678606478
1042525205001
1117042407a24
1282a9731775
1340192982c6
1420b5add98d
15118d540b1b
hex9e6b32209

42525205001 has 4 divisors (see below), whose sum is σ = 42533157504. Its totient is φ = 42517252500.

The previous prime is 42525204989. The next prime is 42525205003. The reversal of 42525205001 is 10050252524.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42525205001 - 26 = 42525204937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42525205003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3968225 + ... + 3978926.

It is an arithmetic number, because the mean of its divisors is an integer number (10633289376).

Almost surely, 242525205001 is an apocalyptic number.

It is an amenable number.

42525205001 is a deficient number, since it is larger than the sum of its proper divisors (7952503).

42525205001 is an equidigital number, since it uses as much as digits as its factorization.

42525205001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7952502.

The product of its (nonzero) digits is 4000, while the sum is 26.

Adding to 42525205001 its reverse (10050252524), we get a palindrome (52575457525).

The spelling of 42525205001 in words is "forty-two billion, five hundred twenty-five million, two hundred five thousand, one".

Divisors: 1 5351 7947151 42525205001