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40002303104505 = 3257219792089513
BaseRepresentation
bin10010001100001110000110…
…00100010001010111111001
312020122011221021121211202100
421012013003010101113321
520220344204043321010
6221024445423454013
711266033235105100
oct1106070304212771
9166564837554670
1040002303104505
1111822977276625
1245a086a457309
13194227c7889b1
149c419c315037
154958420032c0
hex2461c31115f9

40002303104505 has 72 divisors (see below), whose sum is σ = 81067135890312. Its totient is φ = 18193940706816.

The previous prime is 40002303104479. The next prime is 40002303104507. The reversal of 40002303104505 is 50540130320004.

It can be written as a sum of positive squares in 4 ways, for example, as 19851729758784 + 20150573345721 = 4455528^2 + 4488939^2 .

It is not a de Polignac number, because 40002303104505 - 25 = 40002303104473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40002303104507) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 45610372 + ... + 46479141.

It is an arithmetic number, because the mean of its divisors is an integer number (1125932442921).

Almost surely, 240002303104505 is an apocalyptic number.

40002303104505 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40002303104505 is an abundant number, since it is smaller than the sum of its proper divisors (41064832785807).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40002303104505 is a wasteful number, since it uses less digits than its factorization.

40002303104505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92089735 (or 92089725 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 40002303104505 its reverse (50540130320004), we get a palindrome (90542433424509).

The spelling of 40002303104505 in words is "forty trillion, two billion, three hundred three million, one hundred four thousand, five hundred five".

Divisors: 1 3 5 7 9 15 21 35 45 49 63 105 147 197 245 315 441 591 735 985 1379 1773 2205 2955 4137 6895 8865 9653 12411 20685 28959 48265 62055 86877 144795 434385 92089513 276268539 460447565 644626591 828805617 1381342695 1933879773 3223132955 4144028085 4512386137 5801639319 9669398865 13537158411 18141634061 22561930685 29008196595 40611475233 54424902183 67685792055 90708170305 126991438427 163274706549 203057376165 272124510915 380974315281 634957192135 816373532745 888940068989 1142922945843 1904871576405 2666820206967 4444700344945 5714614729215 8000460620901 13334101034835 40002303104505