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1939696743472 = 241925125420643
BaseRepresentation
bin11100001110011110111…
…011110111010000110000
320212102200210122000110121
4130032132323313100300
5223234444331242342
64043030120540024
7260065331165365
oct34163673672060
96772623560417
101939696743472
116886912756a4
12273b14621614
13110bb3039067
1469c4ba1a46c
15356c8d26067
hex1c39eef7430

1939696743472 has 40 divisors (see below), whose sum is σ = 3971721418560. Its totient is φ = 915143112000.

The previous prime is 1939696743431. The next prime is 1939696743503. The reversal of 1939696743472 is 2743476969391.

It is a super-2 number, since 2×19396967434722 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12634018 + ... + 12786625.

It is an arithmetic number, because the mean of its divisors is an integer number (99293035464).

Almost surely, 21939696743472 is an apocalyptic number.

It is an amenable number.

1939696743472 is an abundant number, since it is smaller than the sum of its proper divisors (2032024675088).

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

1939696743472 is a wasteful number, since it uses less digits than its factorization.

1939696743472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25420921 (or 25420915 counting only the distinct ones).

The product of its digits is 370355328, while the sum is 70.

The spelling of 1939696743472 in words is "one trillion, nine hundred thirty-nine billion, six hundred ninety-six million, seven hundred forty-three thousand, four hundred seventy-two".

Divisors: 1 2 4 8 16 19 38 76 152 251 304 502 1004 2008 4016 4769 9538 19076 38152 76304 25420643 50841286 101682572 203365144 406730288 482992217 965984434 1931968868 3863937736 6380581393 7727875472 12761162786 25522325572 51044651144 102089302288 121231046467 242462092934 484924185868 969848371736 1939696743472