Base | Representation |
---|---|
bin | 111111010011110111… |
… | …111010011010010110 |
3 | 20111110120210002102200 |
4 | 333103313322122112 |
5 | 2103210131043230 |
6 | 51121301145330 |
7 | 4624405214325 |
oct | 772367723226 |
9 | 214416702380 |
10 | 67979159190 |
11 | 269145104a8 |
12 | 112120bb246 |
13 | 6544884267 |
14 | 340c4940bc |
15 | 1b7ced3160 |
hex | fd3dfa696 |
67979159190 has 96 divisors (see below), whose sum is σ = 188616729600. Its totient is φ = 16927045632.
The previous prime is 67979159189. The next prime is 67979159221. The reversal of 67979159190 is 9195197976.
It is a super-2 number, since 2×679791591902 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
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, 19386 + ... + 369234.
It is an arithmetic number, because the mean of its divisors is an integer number (1964757600).
Almost surely, 267979159190 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 67979159190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94308364800).
67979159190 is an abundant number, since it is smaller than the sum of its proper divisors (120637570410).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67979159190 is a wasteful number, since it uses less digits than its factorization.
67979159190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 350006 (or 350003 counting only the distinct ones).
The product of its (nonzero) digits is 9644670, while the sum is 63.
The spelling of 67979159190 in words is "sixty-seven billion, nine hundred seventy-nine million, one hundred fifty-nine thousand, one hundred ninety".
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