Base | Representation |
---|---|
bin | 11111100011111011… |
… | …101001111100000100 |
3 | 10020110202211022101012 |
4 | 133203323221330010 |
5 | 1023401020244010 |
6 | 23322431221352 |
7 | 2306540236106 |
oct | 374373517404 |
9 | 106422738335 |
10 | 33888837380 |
11 | 13410402122 |
12 | 6699377858 |
13 | 3270c651c8 |
14 | 18d6b03576 |
15 | d35242005 |
hex | 7e3ee9f04 |
33888837380 has 48 divisors (see below), whose sum is σ = 75021159360. Its totient is φ = 12823401600.
The previous prime is 33888837379. The next prime is 33888837397. The reversal of 33888837380 is 8373888833.
It is a super-2 number, since 2×338888373802 (a number of 22 digits) contains 22 as substring.
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, 198050 + ... + 327110.
It is an arithmetic number, because the mean of its divisors is an integer number (1562940820).
Almost surely, 233888837380 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 33888837380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37510579680).
33888837380 is an abundant number, since it is smaller than the sum of its proper divisors (41132321980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
33888837380 is a wasteful number, since it uses less digits than its factorization.
33888837380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 129780 (or 129778 counting only the distinct ones).
The product of its (nonzero) digits is 18579456, while the sum is 59.
The spelling of 33888837380 in words is "thirty-three billion, eight hundred eighty-eight million, eight hundred thirty-seven thousand, three hundred eighty".
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