Base | Representation |
---|---|
bin | 10001110010101001110100… |
… | …110100001111010111101100 |
3 | 101021001101220221102112020220 |
4 | 101302221310310033113230 |
5 | 40224002214024100103 |
6 | 434230252450011340 |
7 | 22324131210240630 |
oct | 2162516464172754 |
9 | 337041827375226 |
10 | 78247674050028 |
11 | 22a2871a0a79aa |
12 | 8938b0b876b50 |
13 | 348795482a192 |
14 | 15472c9a50dc0 |
15 | 90a605479c53 |
hex | 472a74d0f5ec |
78247674050028 has 192 divisors, whose sum is σ = 237510893813760. Its totient is φ = 19509822784512.
The previous prime is 78247674049931. The next prime is 78247674050041. The reversal of 78247674050028 is 82005047674287.
It is a happy number.
78247674050028 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×782476740500282 (a number of 29 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29405250 + ... + 31955657.
It is an arithmetic number, because the mean of its divisors is an integer number (1237035905280).
Almost surely, 278247674050028 is an apocalyptic number.
It is an amenable number.
78247674050028 is an abundant number, since it is smaller than the sum of its proper divisors (159263219763732).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78247674050028 is a wasteful number, since it uses less digits than its factorization.
78247674050028 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61361004 (or 61361002 counting only the distinct ones).
The product of its (nonzero) digits is 42147840, while the sum is 60.
The spelling of 78247674050028 in words is "seventy-eight trillion, two hundred forty-seven billion, six hundred seventy-four million, fifty thousand, twenty-eight".
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