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642102263160 = 233547113847919
BaseRepresentation
bin10010101100000000100…
…01101111110101111000
32021101101012200121220020
421112000101233311320
541010011134410120
61210551103530440
764250615116641
oct11260021576570
92241335617806
10642102263160
1122834aa96006
12a453a8b9a20
134871c410a67
1423113b2a6c8
1511a811b7640
hex958046fd78

642102263160 has 64 divisors (see below), whose sum is σ = 1967292057600. Its totient is φ = 167584135296.

The previous prime is 642102263057. The next prime is 642102263167. The reversal of 642102263160 is 61362201246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (642102263167) 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 15 ways as a sum of consecutive naturals, for example, 56918320 + ... + 56929599.

It is an arithmetic number, because the mean of its divisors is an integer number (30738938400).

Almost surely, 2642102263160 is an apocalyptic number.

642102263160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

642102263160 is an abundant number, since it is smaller than the sum of its proper divisors (1325189794440).

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

642102263160 is a wasteful number, since it uses less digits than its factorization.

642102263160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113847980 (or 113847976 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 642102263160 in words is "six hundred forty-two billion, one hundred two million, two hundred sixty-three thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 47 60 94 120 141 188 235 282 376 470 564 705 940 1128 1410 1880 2820 5640 113847919 227695838 341543757 455391676 569239595 683087514 910783352 1138479190 1366175028 1707718785 2276958380 2732350056 3415437570 4553916760 5350852193 6830875140 10701704386 13661750280 16052556579 21403408772 26754260965 32105113158 42806817544 53508521930 64210226316 80262782895 107017043860 128420452632 160525565790 214034087720 321051131580 642102263160