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42010144441 = 298331408177
BaseRepresentation
bin100111000111111111…
…111110111010111001
311000102202111110021121
4213013333332322321
51142014044110231
631144343105241
73015023223136
oct470777767271
9130382443247
1042010144441
11168a86a4341
128185142221
133c6666c145
14206754758d
15115d200311
hex9c7ffeeb9

42010144441 has 4 divisors (see below), whose sum is σ = 42011582452. Its totient is φ = 42008706432.

The previous prime is 42010144399. The next prime is 42010144447. The reversal of 42010144441 is 14444101024.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28508634025 + 13501510416 = 168845^2 + 116196^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42010144441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42010144447) 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, 674256 + ... + 733921.

It is an arithmetic number, because the mean of its divisors is an integer number (10502895613).

Almost surely, 242010144441 is an apocalyptic number.

It is an amenable number.

42010144441 is a deficient number, since it is larger than the sum of its proper divisors (1438011).

42010144441 is a wasteful number, since it uses less digits than its factorization.

42010144441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438010.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 42010144441 its reverse (14444101024), we get a palindrome (56454245465).

The spelling of 42010144441 in words is "forty-two billion, ten million, one hundred forty-four thousand, four hundred forty-one".

Divisors: 1 29833 1408177 42010144441