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42134442001 = 731193483809
BaseRepresentation
bin100111001111011010…
…001001000000010001
311000202102101102110221
4213033122021000101
51142242404121001
631204543153041
73021062563531
oct471732110021
9130672342427
1042134442001
11169618809a3
1281ba8a5781
133c8633c1b2
142079c614c1
1511690a41a1
hex9cf689011

42134442001 has 8 divisors (see below), whose sum is σ = 42747516360. Its totient is φ = 41522337792.

The previous prime is 42134441989. The next prime is 42134442037. The reversal of 42134442001 is 10024443124.

It can be written as a sum of positive squares in 4 ways, for example, as 21087396225 + 21047045776 = 145215^2 + 145076^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42134442001 - 25 = 42134441969 is a prime.

It is a super-2 number, since 2×421344420012 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42134442041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154816 + ... + 328993.

It is an arithmetic number, because the mean of its divisors is an integer number (5343439545).

Almost surely, 242134442001 is an apocalyptic number.

It is an amenable number.

42134442001 is a deficient number, since it is larger than the sum of its proper divisors (613074359).

42134442001 is a wasteful number, since it uses less digits than its factorization.

42134442001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485075.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 42134442001 its reverse (10024443124), we get a palindrome (52158885125).

The spelling of 42134442001 in words is "forty-two billion, one hundred thirty-four million, four hundred forty-two thousand, one".

Divisors: 1 73 1193 87089 483809 35318057 577184137 42134442001