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20414631415 = 51937103113499
BaseRepresentation
bin10011000000110011…
…101000110111110111
31221200201201201121211
4103000303220313313
5313302121201130
613213420222251
71321615334563
oct230063506767
957621651554
1020414631415
118726588812
123b5899a987
131c0456cb79
14db93b86a3
157e736ea2a
hex4c0ce8df7

20414631415 has 64 divisors (see below), whose sum is σ = 27031680000. Its totient is φ = 14746281984.

The previous prime is 20414631379. The next prime is 20414631427. The reversal of 20414631415 is 51413641402.

It is a cyclic number.

It is not a de Polignac number, because 20414631415 - 225 = 20381076983 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 40910836 + ... + 40911334.

It is an arithmetic number, because the mean of its divisors is an integer number (422370000).

Almost surely, 220414631415 is an apocalyptic number.

20414631415 is a deficient number, since it is larger than the sum of its proper divisors (6617048585).

20414631415 is a wasteful number, since it uses less digits than its factorization.

20414631415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776.

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 20414631415 in words is "twenty billion, four hundred fourteen million, six hundred thirty-one thousand, four hundred fifteen".

Divisors: 1 5 19 37 95 103 113 185 499 515 565 703 1957 2147 2495 3515 3811 4181 9481 9785 10735 11639 18463 19055 20905 47405 51397 56387 58195 72409 79439 92315 221141 256985 281935 350797 362045 397195 430643 976543 1071353 1105705 1753985 1901689 2086319 2153215 4882715 5356765 5807861 8182217 9508445 10431595 29039305 36132091 39640061 40911085 110349359 180660455 198200305 214890857 551746795 1074454285 4082926283 20414631415