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68665950412792 = 2323718959057527
BaseRepresentation
bin11111001110011100010011…
…00101010001111111111000
3100000010101211010222001212221
433213032021211101333320
533000010331301202132
6402012411355013424
720314644156160645
oct1747161145217770
9300111733861787
1068665950412792
111a97407a988117
12784bb07a3a274
132c4122c583535
1412d56420d0dcc
157e125b6c8e97
hex3e7389951ff8

68665950412792 has 64 divisors (see below), whose sum is σ = 137769401318400. Its totient is φ = 32013903694080.

The previous prime is 68665950412783. The next prime is 68665950412799. The reversal of 68665950412792 is 29721405956686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68665950412799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28366068 + ... + 30691459.

It is an arithmetic number, because the mean of its divisors is an integer number (2152646895600).

Almost surely, 268665950412792 is an apocalyptic number.

It is an amenable number.

68665950412792 is an abundant number, since it is smaller than the sum of its proper divisors (69103450905608).

68665950412792 is a wasteful number, since it uses less digits than its factorization.

68665950412792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59057716 (or 59057712 counting only the distinct ones).

The product of its (nonzero) digits is 391910400, while the sum is 70.

The spelling of 68665950412792 in words is "sixty-eight trillion, six hundred sixty-five billion, nine hundred fifty million, four hundred twelve thousand, seven hundred ninety-two".

Divisors: 1 2 4 8 23 46 71 89 92 142 178 184 284 356 568 712 1633 2047 3266 4094 6319 6532 8188 12638 13064 16376 25276 50552 145337 290674 581348 1162696 59057527 118115054 236230108 472460216 1358323121 2716646242 4193084417 5256119903 5433292484 8386168834 10512239806 10866584968 16772337668 21024479612 33544675336 42048959224 96440941591 120890757769 192881883182 241781515538 373184513113 385763766364 483563031076 746369026226 771527532728 967126062152 1492738052452 2985476104904 8583243801599 17166487603198 34332975206396 68665950412792