Base | Representation |
---|---|
bin | 1100100110001011… |
… | …1011110101010110 |
3 | 22201122122211010200 |
4 | 3021202323311112 |
5 | 23411113102030 |
6 | 1315310401330 |
7 | 146536146015 |
oct | 31142736526 |
9 | 8648584120 |
10 | 3381378390 |
11 | 14857776a5 |
12 | 7a4500246 |
13 | 41b705c20 |
14 | 241120a7c |
15 | 14bcc9d60 |
hex | c98bbd56 |
3381378390 has 96 divisors (see below), whose sum is σ = 9513425376. Its totient is φ = 828334080.
The previous prime is 3381378389. The next prime is 3381378409. The reversal of 3381378390 is 938731833.
It is a super-2 number, since 2×33813783902 = 22867439632717984200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
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, 240022 + ... + 253718.
It is an arithmetic number, because the mean of its divisors is an integer number (99098181).
Almost surely, 23381378390 is an apocalyptic number.
3381378390 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 3381378390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4756712688).
3381378390 is an abundant number, since it is smaller than the sum of its proper divisors (6132046986).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3381378390 is a wasteful number, since it uses less digits than its factorization.
3381378390 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13934 (or 13931 counting only the distinct ones).
The product of its (nonzero) digits is 326592, while the sum is 45.
The square root of 3381378390 is about 58149.6207210331. The cubic root of 3381378390 is about 1500.9443520081.
The spelling of 3381378390 in words is "three billion, three hundred eighty-one million, three hundred seventy-eight thousand, three hundred ninety".
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