Base | Representation |
---|---|
bin | 101101111010110… |
… | …001110011011100 |
3 | 1222200121111220020 |
4 | 231322301303130 |
5 | 3034204224233 |
6 | 204235552140 |
7 | 25043101530 |
oct | 5572616334 |
9 | 1880544806 |
10 | 770383068 |
11 | 365952224 |
12 | 195bbb650 |
13 | c37b3390 |
14 | 74459bc0 |
15 | 479769b3 |
hex | 2deb1cdc |
770383068 has 192 divisors, whose sum is σ = 2373826560. Its totient is φ = 188863488.
The previous prime is 770383051. The next prime is 770383069. The reversal of 770383068 is 860383077.
It is a happy number.
It is a super-2 number, since 2×7703830682 = 1186980142922185248, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (770383069) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 928878 + ... + 929706.
It is an arithmetic number, because the mean of its divisors is an integer number (12363680).
Almost surely, 2770383068 is an apocalyptic number.
770383068 is a gapful number since it is divisible by the number (78) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 770383068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1186913280).
770383068 is an abundant number, since it is smaller than the sum of its proper divisors (1603443492).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
770383068 is a wasteful number, since it uses less digits than its factorization.
770383068 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 916 (or 914 counting only the distinct ones).
The product of its (nonzero) digits is 169344, while the sum is 42.
The square root of 770383068 is about 27755.7753990048. The cubic root of 770383068 is about 916.7176145934.
Subtracting 770383068 from its reverse (860383077), we obtain a palindrome (90000009).
The spelling of 770383068 in words is "seven hundred seventy million, three hundred eighty-three thousand, sixty-eight".
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