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42235315045 = 5721115671731
BaseRepresentation
bin100111010101011010…
…111100001101100101
311001000110012022021121
4213111122330031211
51142444220040140
631222545213541
73023426153200
oct472532741545
9131013168247
1042235315045
1116a03809350
1282286312b1
133ca11ca1a1
1420893dc937
151172d7c64a
hex9d56bc365

42235315045 has 24 divisors (see below), whose sum is σ = 64316788128. Its totient is φ = 26328506400.

The previous prime is 42235315019. The next prime is 42235315051. The reversal of 42235315045 is 54051353224.

It is not a de Polignac number, because 42235315045 - 27 = 42235314917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42235315045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7833171 + ... + 7838560.

It is an arithmetic number, because the mean of its divisors is an integer number (2679866172).

Almost surely, 242235315045 is an apocalyptic number.

It is an amenable number.

42235315045 is a deficient number, since it is larger than the sum of its proper divisors (22081473083).

42235315045 is a wasteful number, since it uses less digits than its factorization.

42235315045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15671761 (or 15671754 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 42235315045 its reverse (54051353224), we get a palindrome (96286668269).

The spelling of 42235315045 in words is "forty-two billion, two hundred thirty-five million, three hundred fifteen thousand, forty-five".

Divisors: 1 5 7 11 35 49 55 77 245 385 539 2695 15671731 78358655 109702117 172389041 548510585 767914819 861945205 1206723287 3839574095 6033616435 8447063009 42235315045