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42520412041 = 235713237677
BaseRepresentation
bin100111100110011010…
…011111111110001001
311001202022122201211121
4213212122133332021
51144040211141131
631311131555241
73033460352602
oct474632377611
9131668581747
1042520412041
111703a7339a8
1282a7bbbb21
1340182aa833
1420b5212da9
15118cde5911
hex9e669ff89

42520412041 has 8 divisors (see below), whose sum is σ = 44446843584. Its totient is φ = 40600457040.

The previous prime is 42520412023. The next prime is 42520412069. The reversal of 42520412041 is 14021402524.

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 42520412041 - 221 = 42518314889 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42520411997 and 42520412015.

It is not an unprimeable number, because it can be changed into a prime (42526412041) 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, 1605706 + ... + 1631971.

It is an arithmetic number, because the mean of its divisors is an integer number (5555855448).

Almost surely, 242520412041 is an apocalyptic number.

It is an amenable number.

42520412041 is a deficient number, since it is larger than the sum of its proper divisors (1926431543).

42520412041 is a wasteful number, since it uses less digits than its factorization.

42520412041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3238271.

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 42520412041 its reverse (14021402524), we get a palindrome (56541814565).

The spelling of 42520412041 in words is "forty-two billion, five hundred twenty million, four hundred twelve thousand, forty-one".

Divisors: 1 23 571 13133 3237677 74466571 1848713567 42520412041