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19026545218807 = 7109131190354919
BaseRepresentation
bin1000101001101111101100…
…11110000001010011110111
32111100220211122112220200211
410110313312132001103313
54443212331034000212
6104244401343450251
74002423345634210
oct424676636012367
974326748486624
1019026545218807
116076126833a05
12217357b5b6987
13a80270716a79
1449ac654b2407
1522edcdcbe9a7
hex114df67814f7

19026545218807 has 16 divisors (see below), whose sum is σ = 22111627507200. Its totient is φ = 16035498292320.

The previous prime is 19026545218771. The next prime is 19026545218823. The reversal of 19026545218807 is 70881254562091.

It is a cyclic number.

It is not a de Polignac number, because 19026545218807 - 215 = 19026545186039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19026545218847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95077507 + ... + 95277412.

It is an arithmetic number, because the mean of its divisors is an integer number (1381976719200).

Almost surely, 219026545218807 is an apocalyptic number.

19026545218807 is a deficient number, since it is larger than the sum of its proper divisors (3085082288393).

19026545218807 is a wasteful number, since it uses less digits than its factorization.

19026545218807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190355166.

The product of its (nonzero) digits is 9676800, while the sum is 58.

The spelling of 19026545218807 in words is "nineteen trillion, twenty-six billion, five hundred forty-five million, two hundred eighteen thousand, eight hundred seven".

Divisors: 1 7 109 131 763 917 14279 99953 190354919 1332484433 20748686171 24936494389 145240803197 174555460723 2718077888401 19026545218807