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42204431241 = 35734771503
BaseRepresentation
bin100111010011100101…
…001000001110001001
311000221022002020200000
4213103211020032021
51142413313244431
631215523233213
73022602514020
oct472345101611
9130838066600
1042204431241
1116998334945
12821a218809
133c979a5b4b
14208527d8b7
1511702cb9e6
hex9d3948389

42204431241 has 48 divisors (see below), whose sum is σ = 72460437504. Its totient is φ = 24046980624.

The previous prime is 42204431179. The next prime is 42204431263. The reversal of 42204431241 is 14213440224.

42204431241 is a `hidden beast` number, since 4 + 2 + 204 + 431 + 24 + 1 = 666.

It is not a de Polignac number, because 42204431241 - 221 = 42202334089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (42204431041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 554496 + ... + 625998.

It is an arithmetic number, because the mean of its divisors is an integer number (1509592448).

Almost surely, 242204431241 is an apocalyptic number.

It is an amenable number.

42204431241 is a deficient number, since it is larger than the sum of its proper divisors (30256006263).

42204431241 is an equidigital number, since it uses as much as digits as its factorization.

42204431241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71872 (or 71860 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 42204431241 its reverse (14213440224), we get a palindrome (56417871465).

The spelling of 42204431241 in words is "forty-two billion, two hundred four million, four hundred thirty-one thousand, two hundred forty-one".

Divisors: 1 3 7 9 21 27 63 81 189 243 347 567 1041 1701 2429 3123 7287 9369 21861 28107 65583 71503 84321 196749 214509 500521 590247 643527 1501563 1930581 4504689 5791743 13514067 17375229 24811541 40542201 74434623 121626603 173680787 223303869 521042361 669911607 1563127083 2009734821 4689381249 6029204463 14068143747 42204431241