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197032557444 = 223131331378667
BaseRepresentation
bin1011011110000000001…
…1100011101110000100
3200211120112111222120120
42313200003203232010
511212010313314234
6230303203301540
720143436050662
oct2674003435604
9624515458516
10197032557444
1176619818738
123222997a8b0
13157705c69c8
149771d51c32
1551d2bb2049
hex2de00e3b84

197032557444 has 48 divisors (see below), whose sum is σ = 464652900096. Its totient is φ = 64979085600.

The previous prime is 197032557409. The next prime is 197032557467. The reversal of 197032557444 is 444755230791.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 330999 + ... + 709665.

It is an arithmetic number, because the mean of its divisors is an integer number (9680268752).

Almost surely, 2197032557444 is an apocalyptic number.

It is an amenable number.

197032557444 is an abundant number, since it is smaller than the sum of its proper divisors (267620342652).

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

197032557444 is a wasteful number, since it uses less digits than its factorization.

197032557444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379136 (or 379134 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 51.

The spelling of 197032557444 in words is "one hundred ninety-seven billion, thirty-two million, five hundred fifty-seven thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 131 262 331 393 524 662 786 993 1324 1572 1986 3972 43361 86722 130083 173444 260166 378667 520332 757334 1136001 1514668 2272002 4544004 49605377 99210754 125338777 148816131 198421508 250677554 297632262 376016331 501355108 595264524 752032662 1504065324 16419379787 32838759574 49258139361 65677519148 98516278722 197032557444