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7636528068 = 22313435771973
BaseRepresentation
bin1110001110010110…
…00010101111000100
3201201012110211010220
413013023002233010
5111114422344233
63301433144340
7360145263141
oct70713025704
921635424126
107636528068
113269691624
12159155b0b0
13949150c80
145262d13c8
152ea64eeb3
hex1c72c2bc4

7636528068 has 96 divisors (see below), whose sum is σ = 19679485056. Its totient is φ = 2289917952.

The previous prime is 7636528049. The next prime is 7636528073. The reversal of 7636528068 is 8608256367.

It is a self number, because there is not a number n which added to its sum of digits gives 7636528068.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3869530 + ... + 3871502.

It is an arithmetic number, because the mean of its divisors is an integer number (204994636).

Almost surely, 27636528068 is an apocalyptic number.

7636528068 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7636528068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9839742528).

7636528068 is an abundant number, since it is smaller than the sum of its proper divisors (12042956988).

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

7636528068 is a wasteful number, since it uses less digits than its factorization.

7636528068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2613 (or 2611 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 51.

The square root of 7636528068 is about 87387.2305774705. The cubic root of 7636528068 is about 1969.2400091822.

The spelling of 7636528068 in words is "seven billion, six hundred thirty-six million, five hundred twenty-eight thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 13 26 39 43 52 78 86 129 156 172 258 516 559 577 1118 1154 1677 1731 1973 2236 2308 3354 3462 3946 5919 6708 6924 7501 7892 11838 15002 22503 23676 24811 25649 30004 45006 49622 51298 74433 76947 84839 90012 99244 102596 148866 153894 169678 254517 297732 307788 322543 339356 509034 645086 967629 1018068 1102907 1138421 1290172 1935258 2205814 2276842 3308721 3415263 3870516 4411628 4553684 6617442 6830526 13234884 13661052 14799473 29598946 44398419 48952103 59197892 88796838 97904206 146856309 177593676 195808412 293712618 587425236 636377339 1272754678 1909132017 2545509356 3818264034 7636528068