Base | Representation |
---|---|
bin | 11111001110100110000100… |
… | …10011100001101000100100 |
3 | 100000010220100210101200100012 |
4 | 33213103002103201220210 |
5 | 33000102102414324402 |
6 | 402015040140105352 |
7 | 20315221164515600 |
oct | 1747230223415044 |
9 | 300126323350305 |
10 | 68671197026852 |
11 | 1a9763225159a2 |
12 | 7850b30b35258 |
13 | 2c4188753a5b4 |
14 | 12d59bcc2a500 |
15 | 7e14670e6452 |
hex | 3e74c24e1a24 |
68671197026852 has 144 divisors (see below), whose sum is σ = 145437324189696. Its totient is φ = 28257642504000.
The previous prime is 68671197026819. The next prime is 68671197026879. The reversal of 68671197026852 is 25862079117686.
It is a super-2 number, since 2×686711970268522 (a number of 28 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7312443077 + ... + 7312452467.
It is an arithmetic number, because the mean of its divisors is an integer number (1009981417984).
Almost surely, 268671197026852 is an apocalyptic number.
68671197026852 is a gapful number since it is divisible by the number (62) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 68671197026852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72718662094848).
68671197026852 is an abundant number, since it is smaller than the sum of its proper divisors (76766127162844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68671197026852 is a wasteful number, since it uses less digits than its factorization.
68671197026852 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18758 (or 18749 counting only the distinct ones).
The product of its (nonzero) digits is 121927680, while the sum is 68.
The spelling of 68671197026852 in words is "sixty-eight trillion, six hundred seventy-one billion, one hundred ninety-seven million, twenty-six thousand, eight hundred fifty-two".
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