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1684144031393 = 19294636601561
BaseRepresentation
bin11000100000011110110…
…011101000011010100001
312222000001220010011100102
4120200132303220122201
5210043111333001033
63325403551232145
7232450442032565
oct30403663503241
95860056104312
101684144031393
1159a2724446aa
12232494518655
13c2a7776b825
145b72798d6a5
152dc1d7c8de8
hex1881ece86a1

1684144031393 has 16 divisors (see below), whose sum is σ = 1837874860800. Its totient is φ = 1537160042880.

The previous prime is 1684144031333. The next prime is 1684144031411. The reversal of 1684144031393 is 3931304414861.

It is not a de Polignac number, because 1684144031393 - 226 = 1684076922529 is a prime.

It is a super-2 number, since 2×16841440313932 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1684144031333) 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, 3045668 + ... + 3555893.

It is an arithmetic number, because the mean of its divisors is an integer number (114867178800).

Almost surely, 21684144031393 is an apocalyptic number.

It is an amenable number.

1684144031393 is a deficient number, since it is larger than the sum of its proper divisors (153730829407).

1684144031393 is a wasteful number, since it uses less digits than its factorization.

1684144031393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6602072.

The product of its (nonzero) digits is 746496, while the sum is 47.

The spelling of 1684144031393 in words is "one trillion, six hundred eighty-four billion, one hundred forty-four million, thirty-one thousand, three hundred ninety-three".

Divisors: 1 19 29 463 551 8797 13427 255113 6601561 125429659 191445269 3056522743 3637460111 58073932117 88639159547 1684144031393