Search a number
-
+
8070968160 = 253255604839
BaseRepresentation
bin1111000010001000…
…10011001101100000
3202211110221122220200
413201010103031200
5113012131440120
63412512505200
7404002045263
oct74104231540
922743848820
108070968160
11347193a922
121692b4b200
139b8160508
14567c9ccda
15323867e90
hex1e1113360

8070968160 has 72 divisors (see below), whose sum is σ = 27542183760. Its totient is φ = 2152257792.

The previous prime is 8070968153. The next prime is 8070968167. The reversal of 8070968160 is 618690708.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8070968153) and next prime (8070968167).

It is a tau number, because it is divible by the number of its divisors (72).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8070968167) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2800980 + ... + 2803859.

It is an arithmetic number, because the mean of its divisors is an integer number (382530330).

Almost surely, 28070968160 is an apocalyptic number.

8070968160 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8070968160 is an abundant number, since it is smaller than the sum of its proper divisors (19471215600).

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

8070968160 is a wasteful number, since it uses less digits than its factorization.

8070968160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5604860 (or 5604849 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 8070968160 is about 89838.5672192071. The cubic root of 8070968160 is about 2005.8966112359.

The spelling of 8070968160 in words is "eight billion, seventy million, nine hundred sixty-eight thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 288 360 480 720 1440 5604839 11209678 16814517 22419356 28024195 33629034 44838712 50443551 56048390 67258068 84072585 89677424 100887102 112096780 134516136 168145170 179354848 201774204 224193560 252217755 269032272 336290340 403548408 448387120 504435510 538064544 672580680 807096816 896774240 1008871020 1345161360 1614193632 2017742040 2690322720 4035484080 8070968160