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68650812174 = 2372297137743
BaseRepresentation
bin111111111011111010…
…000100001100001110
320120012101121121010010
4333323322010030032
52111044101442144
651312053054050
74650142163310
oct777372041416
9216171547103
1068650812174
112712965930a
121137b027326
136620a79b69
14347376d7b0
151bbbe565b9
hexffbe8430e

68650812174 has 32 divisors (see below), whose sum is σ = 157601387520. Its totient is φ = 19528862112.

The previous prime is 68650812161. The next prime is 68650812257. The reversal of 68650812174 is 47121805686.

68650812174 = 1310052 + 1310062 + ... + 1310082.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3559254 + ... + 3578489.

It is an arithmetic number, because the mean of its divisors is an integer number (4925043360).

Almost surely, 268650812174 is an apocalyptic number.

68650812174 is an abundant number, since it is smaller than the sum of its proper divisors (88950575346).

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

68650812174 is a wasteful number, since it uses less digits than its factorization.

68650812174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7137984.

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 68650812174 in words is "sixty-eight billion, six hundred fifty million, eight hundred twelve thousand, one hundred seventy-four".

Divisors: 1 2 3 6 7 14 21 42 229 458 687 1374 1603 3206 4809 9618 7137743 14275486 21413229 42826458 49964201 99928402 149892603 299785206 1634543147 3269086294 4903629441 9807258882 11441802029 22883604058 34325406087 68650812174