Base | Representation |
---|---|
bin | 11111011111001000… |
… | …101100001011111100 |
3 | 10020021011102001122212 |
4 | 133133020230023330 |
5 | 1023214420242010 |
6 | 23310434355552 |
7 | 2304542250443 |
oct | 373710541374 |
9 | 106234361585 |
10 | 33808368380 |
11 | 13379a40616 |
12 | 667642bbb8 |
13 | 325a39c507 |
14 | 18ca157d5a |
15 | d2d149505 |
hex | 7df22c2fc |
33808368380 has 48 divisors (see below), whose sum is σ = 74322952704. Its totient is φ = 12893728320.
The previous prime is 33808368281. The next prime is 33808368397. The reversal of 33808368380 is 8386380833.
It is a super-2 number, since 2×338083683802 (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 15 ways as a sum of consecutive naturals, for example, 24899 + ... + 261221.
It is an arithmetic number, because the mean of its divisors is an integer number (1548394848).
Almost surely, 233808368380 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 33808368380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37161476352).
33808368380 is an abundant number, since it is smaller than the sum of its proper divisors (40514584324).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
33808368380 is a wasteful number, since it uses less digits than its factorization.
33808368380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 236666 (or 236664 counting only the distinct ones).
The product of its (nonzero) digits is 1990656, while the sum is 50.
The spelling of 33808368380 in words is "thirty-three billion, eight hundred eight million, three hundred sixty-eight thousand, three hundred eighty".
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