Base | Representation |
---|---|
bin | 1100111011111010… |
… | …01100000010110000 |
3 | 122221000022002120012 |
4 | 12131331030002300 |
5 | 103210411432240 |
6 | 3105052034052 |
7 | 334050532544 |
oct | 63575140260 |
9 | 18830262505 |
10 | 6945030320 |
11 | 2a4431a088 |
12 | 1419a62928 |
13 | 868aca7c7 |
14 | 49c52ba24 |
15 | 2a9aabb65 |
hex | 19df4c0b0 |
6945030320 has 40 divisors (see below), whose sum is σ = 16849251936. Its totient is φ = 2657228288.
The previous prime is 6945030307. The next prime is 6945030329. The reversal of 6945030320 is 230305496.
It is a tau number, because it is divible by the number of its divisors (40).
It is a super-2 number, since 2×69450303202 = 96466892291438604800, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (6945030329) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1885397 + ... + 1889076.
Almost surely, 26945030320 is an apocalyptic number.
It is an amenable number.
6945030320 is an abundant number, since it is smaller than the sum of its proper divisors (9904221616).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6945030320 is a wasteful number, since it uses less digits than its factorization.
6945030320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3774509 (or 3774503 counting only the distinct ones).
The product of its (nonzero) digits is 19440, while the sum is 32.
The square root of 6945030320 is about 83336.8485125278. The cubic root of 6945030320 is about 1907.9107222209.
The spelling of 6945030320 in words is "six billion, nine hundred forty-five million, thirty thousand, three hundred twenty".
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