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3191700430128 = 243724912763779
BaseRepresentation
bin101110011100100000001…
…010111001110100110000
3102022010100002110010102210
4232130200022321310300
5404243100302231003
610442125201012120
7446410212012300
oct56344012716460
912263302403383
103191700430128
11102065775a221
124366a6024040
131a1c8c52bb92
14b069ca0d600
1558054246503
hex2e7202b9d30

3191700430128 has 120 divisors (see below), whose sum is σ = 9610923343680. Its totient is φ = 910056819840.

The previous prime is 3191700430103. The next prime is 3191700430129. The reversal of 3191700430128 is 8210340071913.

It is not an unprimeable number, because it can be changed into a prime (3191700430129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 227058 + ... + 2536721.

It is an arithmetic number, because the mean of its divisors is an integer number (80091027864).

Almost surely, 23191700430128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3191700430128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4805461671840).

3191700430128 is an abundant number, since it is smaller than the sum of its proper divisors (6419222913552).

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

3191700430128 is a wasteful number, since it uses less digits than its factorization.

3191700430128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2764295 (or 2764282 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The spelling of 3191700430128 in words is "three trillion, one hundred ninety-one billion, seven hundred million, four hundred thirty thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 49 56 84 98 112 147 168 196 294 336 392 491 588 784 982 1176 1473 1964 2352 2946 3437 3928 5892 6874 7856 10311 11784 13748 20622 23568 24059 27496 41244 48118 54992 72177 82488 96236 144354 164976 192472 288708 384944 577416 1154832 2763779 5527558 8291337 11055116 16582674 19346453 22110232 33165348 38692906 44220464 58039359 66330696 77385812 116078718 132661392 135425171 154771624 232157436 270850342 309543248 406275513 464314872 541700684 812551026 928629744 1083401368 1357015489 1625102052 2166802736 2714030978 3250204104 4071046467 5428061956 6500408208 8142092934 9499108423 10856123912 16284185868 18998216846 21712247824 28497325269 32568371736 37996433692 56994650538 65136743472 66493758961 75992867384 113989301076 132987517922 151985734768 199481276883 227978602152 265975035844 398962553766 455957204304 531950071688 797925107532 1063900143376 1595850215064 3191700430128