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1345466666784 = 25359237547081
BaseRepresentation
bin10011100101000100000…
…100000000111100100000
311202121212212220102202210
4103211010010000330200
5134021003431314114
62510033204042120
7166130626653252
oct23450404007440
94677785812683
101345466666784
11479677947969
12198916093340
1399b528bc476
1449199bb3cd2
1524eea7e5259
hex13944100f20

1345466666784 has 48 divisors (see below), whose sum is σ = 3591711879840. Its totient is φ = 440887380480.

The previous prime is 1345466666777. The next prime is 1345466666809. The reversal of 1345466666784 is 4876666645431.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

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, 118767877 + ... + 118779204.

It is an arithmetic number, because the mean of its divisors is an integer number (74827330830).

Almost surely, 21345466666784 is an apocalyptic number.

It is an amenable number.

1345466666784 is an abundant number, since it is smaller than the sum of its proper divisors (2246245213056).

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

1345466666784 is a wasteful number, since it uses less digits than its factorization.

1345466666784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237547153 (or 237547145 counting only the distinct ones).

The product of its digits is 418037760, while the sum is 66.

The spelling of 1345466666784 in words is "one trillion, three hundred forty-five billion, four hundred sixty-six million, six hundred sixty-six thousand, seven hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 59 96 118 177 236 354 472 708 944 1416 1888 2832 5664 237547081 475094162 712641243 950188324 1425282486 1900376648 2850564972 3800753296 5701129944 7601506592 11402259888 14015277779 22804519776 28030555558 42045833337 56061111116 84091666674 112122222232 168183333348 224244444464 336366666696 448488888928 672733333392 1345466666784