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4405465893509 = 89197927779007
BaseRepresentation
bin100000000011011101000…
…1110101100101010000101
3120121011021111022020020022
41000012322032230222011
51034134343232043014
613211502035144525
7633166360144532
oct100067216545205
916534244266208
104405465893509
11144939071272a
125b1985745145
1325c583968595
141133233dbd89
15798e2687a8e
hex401ba3aca85

4405465893509 has 16 divisors (see below), whose sum is σ = 4459316716800. Its totient is φ = 4351714185984.

The previous prime is 4405465893481. The next prime is 4405465893541. The reversal of 4405465893509 is 9053985645044.

4405465893509 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 4405465893509 - 212 = 4405465889413 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4405465803509) 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, 489111284 + ... + 489120290.

It is an arithmetic number, because the mean of its divisors is an integer number (278707294800).

Almost surely, 24405465893509 is an apocalyptic number.

It is an amenable number.

4405465893509 is a deficient number, since it is larger than the sum of its proper divisors (53850823291).

4405465893509 is a wasteful number, since it uses less digits than its factorization.

4405465893509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13852.

The product of its (nonzero) digits is 93312000, while the sum is 62.

The spelling of 4405465893509 in words is "four trillion, four hundred five billion, four hundred sixty-five million, eight hundred ninety-three thousand, five hundred nine".

Divisors: 1 89 1979 2777 9007 176131 247153 801623 5495683 17824853 25012439 489115787 1586411917 2226107071 49499616781 4405465893509