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78033068334 = 236139742443
BaseRepresentation
bin100100010101100100…
…0100010000100101110
321110102020222121000000
41020223020202010232
52234302431141314
655503051245130
75431506064644
oct1105310420456
9243366877000
1078033068334
11301036a6221
12131591497a6
137487798220
143ac384b194
15206a98e209
hex122b22212e

78033068334 has 112 divisors (see below), whose sum is σ = 190946557872. Its totient is φ = 23762087424.

The previous prime is 78033068327. The next prime is 78033068357. The reversal of 78033068334 is 43386033087.

78033068334 is a `hidden beast` number, since 7 + 8 + 0 + 3 + 306 + 8 + 334 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 78033068334.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1817317 + ... + 1859759.

It is an arithmetic number, because the mean of its divisors is an integer number (1704879981).

Almost surely, 278033068334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78033068334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95473278936).

78033068334 is an abundant number, since it is smaller than the sum of its proper divisors (112913489538).

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

78033068334 is a wasteful number, since it uses less digits than its factorization.

78033068334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42573 (or 42558 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

The spelling of 78033068334 in words is "seventy-eight billion, thirty-three million, sixty-eight thousand, three hundred thirty-four".

Divisors: 1 2 3 6 9 13 18 26 27 39 54 78 81 97 117 162 194 234 243 291 351 486 582 702 729 873 1053 1261 1458 1746 2106 2522 2619 3159 3783 5238 6318 7566 7857 9477 11349 15714 18954 22698 23571 34047 42443 47142 68094 70713 84886 102141 127329 141426 204282 254658 306423 381987 551759 612846 763974 919269 1103518 1145961 1655277 1838538 2291922 3310554 3437883 4116971 4965831 6875766 8233942 9931662 10313649 12350913 14897493 20627298 24701826 29794986 30940947 37052739 44692479 53520623 61881894 74105478 89384958 107041246 111158217 134077437 160561869 222316434 268154874 321123738 333474651 402232311 481685607 666949302 804464622 963371214 1000423953 1445056821 2000847906 2890113642 3001271859 4335170463 6002543718 8670340926 13005511389 26011022778 39016534167 78033068334