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1689431013282 = 233131129205667
BaseRepresentation
bin11000100101011001111…
…011110111011110100010
312222111201100111200001110
4120211121323313132202
5210134423314411112
63332040333444150
7233025450450135
oct30453173673642
95874640450043
101689431013282
115a1535844421
1223350b040656
13c340abba98c
145baa9bd621c
152de2ca1c13c
hex18959ef77a2

1689431013282 has 32 divisors (see below), whose sum is σ = 3499072671744. Its totient is φ = 543225387600.

The previous prime is 1689431013271. The next prime is 1689431013293. The reversal of 1689431013282 is 2823101349861.

It is an interprime number because it is at equal distance from previous prime (1689431013271) and next prime (1689431013293).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14544988 + ... + 14660679.

It is an arithmetic number, because the mean of its divisors is an integer number (109346020992).

Almost surely, 21689431013282 is an apocalyptic number.

1689431013282 is an abundant number, since it is smaller than the sum of its proper divisors (1809641658462).

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

1689431013282 is a wasteful number, since it uses less digits than its factorization.

1689431013282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29206014.

The product of its (nonzero) digits is 497664, while the sum is 48.

The spelling of 1689431013282 in words is "one trillion, six hundred eighty-nine billion, four hundred thirty-one million, thirteen thousand, two hundred eighty-two".

Divisors: 1 2 3 6 31 62 93 186 311 622 933 1866 9641 19282 28923 57846 29205667 58411334 87617001 175234002 905375677 1810751354 2716127031 5432254062 9082962437 18165924874 27248887311 54497774622 281571835547 563143671094 844715506641 1689431013282