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68774774112 = 2533117236403
BaseRepresentation
bin100000000001101001…
…0111100010101100000
320120112000212111221000
41000003102330111200
52111322320232422
651332242032000
74653205635342
oct1000322742540
9216460774830
1068774774112
11271926267a0
12113b4648600
136640660215
143485ddb292
151bc7c90cac
hex10034bc560

68774774112 has 96 divisors (see below), whose sum is σ = 218828856960. Its totient is φ = 20840837760.

The previous prime is 68774774077. The next prime is 68774774113. The reversal of 68774774112 is 21147747786.

68774774112 is a `hidden beast` number, since 68 + 77 + 477 + 41 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68774774113) 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 15 ways as a sum of consecutive naturals, for example, 3608698 + ... + 3627705.

It is an arithmetic number, because the mean of its divisors is an integer number (2279467260).

Almost surely, 268774774112 is an apocalyptic number.

It is an amenable number.

68774774112 is an abundant number, since it is smaller than the sum of its proper divisors (150054082848).

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

68774774112 is a wasteful number, since it uses less digits than its factorization.

68774774112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7236433 (or 7236419 counting only the distinct ones).

The product of its digits is 3687936, while the sum is 54.

The spelling of 68774774112 in words is "sixty-eight billion, seven hundred seventy-four million, seven hundred seventy-four thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 27 32 33 36 44 48 54 66 72 88 96 99 108 132 144 176 198 216 264 288 297 352 396 432 528 594 792 864 1056 1188 1584 2376 3168 4752 9504 7236403 14472806 21709209 28945612 43418418 57891224 65127627 79600433 86836836 115782448 130255254 159200866 173673672 195382881 231564896 238801299 260510508 318401732 347347344 390765762 477602598 521021016 636803464 694694688 716403897 781531524 955205196 1042042032 1273606928 1432807794 1563063048 1910410392 2084084064 2149211691 2547213856 2865615588 3126126096 3820820784 4298423382 5731231176 6252252192 7641641568 8596846764 11462462352 17193693528 22924924704 34387387056 68774774112