Base | Representation |
---|---|
bin | 1101110100101101… |
… | …00000110100001100 |
3 | 201011012201202111202 |
4 | 12322112200310030 |
5 | 110144341243202 |
6 | 3224231005032 |
7 | 351624060140 |
oct | 67226406414 |
9 | 21135652452 |
10 | 7421431052 |
11 | 3169227aa2 |
12 | 1531509778 |
13 | 91370c129 |
14 | 5058dd220 |
15 | 2d6812802 |
hex | 1ba5a0d0c |
7421431052 has 24 divisors (see below), whose sum is σ = 14884929696. Its totient is φ = 3171598848.
The previous prime is 7421431019. The next prime is 7421431067. The reversal of 7421431052 is 2501341247.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365543 + ... + 385310.
It is an arithmetic number, because the mean of its divisors is an integer number (620205404).
Almost surely, 27421431052 is an apocalyptic number.
It is an amenable number.
7421431052 is an abundant number, since it is smaller than the sum of its proper divisors (7463498644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7421431052 is a wasteful number, since it uses less digits than its factorization.
7421431052 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 751217 (or 751215 counting only the distinct ones).
The product of its (nonzero) digits is 6720, while the sum is 29.
The square root of 7421431052 is about 86147.7280721900. The cubic root of 7421431052 is about 1950.5745448797.
Adding to 7421431052 its reverse (2501341247), we get a palindrome (9922772299).
The spelling of 7421431052 in words is "seven billion, four hundred twenty-one million, four hundred thirty-one thousand, fifty-two".
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