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1684282155142 = 219101438843709
BaseRepresentation
bin11000100000100111000…
…010100010000010000110
312222000102112000120111211
4120200213002202002012
5210043402212431032
63325425403522034
7232454040046666
oct30404702420206
95860375016454
101684282155142
1159a333405064
1223251282931a
13c2a9a26cb62
145b73c0661a6
152dc2a9ae747
hex188270a2086

1684282155142 has 16 divisors (see below), whose sum is σ = 2685723505200. Its totient is φ = 789918674400.

The previous prime is 1684282155139. The next prime is 1684282155163. The reversal of 1684282155142 is 2415512824861.

It is a super-3 number, since 3×16842821551423 (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219418017 + ... + 219425692.

It is an arithmetic number, because the mean of its divisors is an integer number (167857719075).

Almost surely, 21684282155142 is an apocalyptic number.

1684282155142 is a deficient number, since it is larger than the sum of its proper divisors (1001441350058).

1684282155142 is a wasteful number, since it uses less digits than its factorization.

1684282155142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438843831.

The product of its digits is 1228800, while the sum is 49.

The spelling of 1684282155142 in words is "one trillion, six hundred eighty-four billion, two hundred eighty-two million, one hundred fifty-five thousand, one hundred forty-two".

Divisors: 1 2 19 38 101 202 1919 3838 438843709 877687418 8338030471 16676060942 44323214609 88646429218 842141077571 1684282155142