Base | Representation |
---|---|
bin | 11011110101101101… |
… | …100110000011000010 |
3 | 2212011020101202221020 |
4 | 123311231212003002 |
5 | 442204344032033 |
6 | 21422101010310 |
7 | 2105520200250 |
oct | 336555460302 |
9 | 85136352836 |
10 | 29892174018 |
11 | 1174a397853 |
12 | 59629b3996 |
13 | 2a84c41445 |
14 | 1637dbb5d0 |
15 | b9e42a6b3 |
hex | 6f5b660c2 |
29892174018 has 64 divisors (see below), whose sum is σ = 70951845888. Its totient is φ = 8215565760.
The previous prime is 29892174007. The next prime is 29892174079. The reversal of 29892174018 is 81047129892.
It is a happy number.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148696 + ... + 286172.
It is an arithmetic number, because the mean of its divisors is an integer number (1108622592).
Almost surely, 229892174018 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 29892174018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35475922944).
29892174018 is an abundant number, since it is smaller than the sum of its proper divisors (41059671870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29892174018 is a wasteful number, since it uses less digits than its factorization.
29892174018 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 137687.
The product of its (nonzero) digits is 580608, while the sum is 51.
The spelling of 29892174018 in words is "twenty-nine billion, eight hundred ninety-two million, one hundred seventy-four thousand, eighteen".
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