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8149990042704 = 2434125311636213
BaseRepresentation
bin111011010011001000101…
…0000101110110001010000
31001212010112211010000220010
41312212101100232301100
52032012134422331304
625200015335114520
71500550231226406
oct166462120566120
931763484100803
108149990042704
112662433a00314
12ab7633212a40
13471705098313
1420266699b476
15e1eeec29789
hex7699142ec50

8149990042704 has 80 divisors (see below), whose sum is σ = 21576191160384. Its totient is φ = 2649354470400.

The previous prime is 8149990042697. The next prime is 8149990042793. The reversal of 8149990042704 is 4072400999418.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4162902 + ... + 5799114.

Almost surely, 28149990042704 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 8149990042704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10788095580192).

8149990042704 is an abundant number, since it is smaller than the sum of its proper divisors (13426201117680).

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

8149990042704 is a wasteful number, since it uses less digits than its factorization.

8149990042704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638796 (or 1638790 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 57.

The spelling of 8149990042704 in words is "eight trillion, one hundred forty-nine billion, nine hundred ninety million, forty-two thousand, seven hundred four".

Divisors: 1 2 3 4 6 8 12 16 24 41 48 82 123 164 246 328 492 656 984 1968 2531 5062 7593 10124 15186 20248 30372 40496 60744 103771 121488 207542 311313 415084 622626 830168 1245252 1636213 1660336 2490504 3272426 4908639 4981008 6544852 9817278 13089704 19634556 26179408 39269112 67084733 78538224 134169466 201254199 268338932 402508398 536677864 805016796 1073355728 1610033592 3220067184 4141255103 8282510206 12423765309 16565020412 24847530618 33130040824 49695061236 66260081648 99390122472 169791459223 198780244944 339582918446 509374377669 679165836892 1018748755338 1358331673784 2037497510676 2716663347568 4074995021352 8149990042704