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16844620485 = 3572112083441
BaseRepresentation
bin11111011000000010…
…01000001011000101
31121110221010101021210
433230001020023011
5233444210323420
611423250402033
71134265624500
oct175401101305
947427111253
1016844620485
117164392760
123321290319
131785a5ca74
14b5b1d4137
15688c339e0
hex3ec0482c5

16844620485 has 48 divisors (see below), whose sum is σ = 34201783872. Its totient is φ = 7000358400.

The previous prime is 16844620477. The next prime is 16844620501. The reversal of 16844620485 is 58402644861.

It is not a de Polignac number, because 16844620485 - 23 = 16844620477 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1033636 + ... + 1049805.

It is an arithmetic number, because the mean of its divisors is an integer number (712537164).

Almost surely, 216844620485 is an apocalyptic number.

16844620485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16844620485 is an abundant number, since it is smaller than the sum of its proper divisors (17357163387).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16844620485 is a wasteful number, since it uses less digits than its factorization.

16844620485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2083474 (or 2083467 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 48.

The spelling of 16844620485 in words is "sixteen billion, eight hundred forty-four million, six hundred twenty thousand, four hundred eighty-five".

Divisors: 1 3 5 7 11 15 21 33 35 49 55 77 105 147 165 231 245 385 539 735 1155 1617 2695 8085 2083441 6250323 10417205 14584087 22917851 31251615 43752261 68753553 72920435 102088609 114589255 160424957 218761305 306265827 343767765 481274871 510443045 802124785 1122974699 1531329135 2406374355 3368924097 5614873495 16844620485