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20001419135495 = 57281638445451
BaseRepresentation
bin1001000110000111100010…
…11110111000101000000111
32121211010011021211001120122
410203003301132320220013
510110200401244313440
6110312305231052155
74133024545333100
oct443036136705007
977733137731518
1020001419135495
116411610736596
1222b04aa97105b
13b21183302295
144d21069113a7
1524a43975a7b5
hex1230f17b8a07

20001419135495 has 12 divisors (see below), whose sum is σ = 27920348344584. Its totient is φ = 13715258835600.

The previous prime is 20001419135479. The next prime is 20001419135501. The reversal of 20001419135495 is 59453191410002.

It is not a de Polignac number, because 20001419135495 - 24 = 20001419135479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40819222481 + ... + 40819222970.

It is an arithmetic number, because the mean of its divisors is an integer number (2326695695382).

Almost surely, 220001419135495 is an apocalyptic number.

20001419135495 is a deficient number, since it is larger than the sum of its proper divisors (7918929209089).

20001419135495 is an equidigital number, since it uses as much as digits as its factorization.

20001419135495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81638445470 (or 81638445463 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 44.

The spelling of 20001419135495 in words is "twenty trillion, one billion, four hundred nineteen million, one hundred thirty-five thousand, four hundred ninety-five".

Divisors: 1 5 7 35 49 245 81638445451 408192227255 571469118157 2857345590785 4000283827099 20001419135495