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68027498297450 = 2523158774767817
BaseRepresentation
bin11110111011110111000101…
…10111101111100001101010
322220212100212022200011110122
433131323202313233201222
532404030304031004300
6400403222402243242
720220552552554246
oct1735734267574152
9286770768604418
1068027498297450
111a7483333521aa
127768227656522
132bc5c72460373
1412b2797089426
157ce840bcbc85
hex3ddee2def86a

68027498297450 has 48 divisors (see below), whose sum is σ = 130835307504384. Its totient is φ = 26288364105600.

The previous prime is 68027498297387. The next prime is 68027498297483. The reversal of 68027498297450 is 5479289472086.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36474059 + ... + 38293758.

It is an arithmetic number, because the mean of its divisors is an integer number (2725735573008).

Almost surely, 268027498297450 is an apocalyptic number.

68027498297450 is a deficient number, since it is larger than the sum of its proper divisors (62807809206934).

68027498297450 is a wasteful number, since it uses less digits than its factorization.

68027498297450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74768447 (or 74768442 counting only the distinct ones).

The product of its (nonzero) digits is 487710720, while the sum is 71.

The spelling of 68027498297450 in words is "sixty-eight trillion, twenty-seven billion, four hundred ninety-eight million, two hundred ninety-seven thousand, four hundred fifty".

Divisors: 1 2 5 10 25 31 50 62 155 310 587 775 1174 1550 2935 5870 14675 18197 29350 36394 90985 181970 454925 909850 74767817 149535634 373839085 747678170 1869195425 2317802327 3738390850 4635604654 11589011635 23178023270 43888708579 57945058175 87777417158 115890116350 219443542895 438887085790 1097217714475 1360549965949 2194435428950 2721099931898 6802749829745 13605499659490 34013749148725 68027498297450