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418442388442 = 21364724874711
BaseRepresentation
bin1100001011011010001…
…11000010001111011010
31111000001222011202212121
412011231013002033122
523323432222412232
6520121344331454
742142251421231
oct6055507021732
91430058152777
10418442388442
11151507901841
126911b613b8a
13305c7401c20
1416377669b18
15ad40a39d97
hex616d1c23da

418442388442 has 16 divisors (see below), whose sum is σ = 676990161792. Its totient is φ = 192828751920.

The previous prime is 418442388379. The next prime is 418442388467. The reversal of 418442388442 is 244883244814.

It is a self number, because there is not a number n which added to its sum of digits gives 418442388442.

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 7 ways as a sum of consecutive naturals, for example, 12420534 + ... + 12454177.

It is an arithmetic number, because the mean of its divisors is an integer number (42311885112).

Almost surely, 2418442388442 is an apocalyptic number.

418442388442 is a deficient number, since it is larger than the sum of its proper divisors (258547773350).

418442388442 is a wasteful number, since it uses less digits than its factorization.

418442388442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24875373.

The product of its digits is 6291456, while the sum is 52.

The spelling of 418442388442 in words is "four hundred eighteen billion, four hundred forty-two million, three hundred eighty-eight thousand, four hundred forty-two".

Divisors: 1 2 13 26 647 1294 8411 16822 24874711 49749422 323371243 646742486 16093938017 32187876034 209221194221 418442388442