Base | Representation |
---|---|
bin | 1101110110111000… |
… | …01011101000000100 |
3 | 201012111002122000211 |
4 | 12323130023220010 |
5 | 110214030204330 |
6 | 3230122245204 |
7 | 352235233651 |
oct | 67334135004 |
9 | 21174078024 |
10 | 7439694340 |
11 | 3178571521 |
12 | 1537656804 |
13 | 917434c00 |
14 | 5080d4c28 |
15 | 2d821dd2a |
hex | 1bb70ba04 |
7439694340 has 288 divisors, whose sum is σ = 19066199040. Its totient is φ = 2426112000.
The previous prime is 7439694337. The next prime is 7439694347. The reversal of 7439694340 is 434969347.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (7439694347) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 73660290 + ... + 73660390.
It is an arithmetic number, because the mean of its divisors is an integer number (66202080).
Almost surely, 27439694340 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 7439694340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9533099520).
7439694340 is an abundant number, since it is smaller than the sum of its proper divisors (11626504700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7439694340 is a wasteful number, since it uses less digits than its factorization.
7439694340 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 223 (or 208 counting only the distinct ones).
The product of its (nonzero) digits is 1959552, while the sum is 49.
The square root of 7439694340 is about 86253.6627628068. The cubic root of 7439694340 is about 1952.1732806762.
The spelling of 7439694340 in words is "seven billion, four hundred thirty-nine million, six hundred ninety-four thousand, three hundred forty".
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