Base | Representation |
---|---|
bin | 1101110101001101… |
… | …01010010101001010 |
3 | 201011111200211110211 |
4 | 12322212222111022 |
5 | 110201432224310 |
6 | 3224501431334 |
7 | 352005051100 |
oct | 67246522512 |
9 | 21144624424 |
10 | 7425664330 |
11 | 3170659577 |
12 | 1532a0b54a |
13 | 914561c26 |
14 | 5062c1c70 |
15 | 2d6d9bc8a |
hex | 1ba9aa54a |
7425664330 has 24 divisors (see below), whose sum is σ = 15548432868. Its totient is φ = 2545941888.
The previous prime is 7425664313. The next prime is 7425664331. The reversal of 7425664330 is 334665247.
It can be written as a sum of positive squares in 2 ways, for example, as 7294355649 + 131308681 = 85407^2 + 11459^2 .
It is not an unprimeable number, because it can be changed into a prime (7425664331) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7576719 + ... + 7577698.
Almost surely, 27425664330 is an apocalyptic number.
7425664330 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
7425664330 is an abundant number, since it is smaller than the sum of its proper divisors (8122768538).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7425664330 is a wasteful number, since it uses less digits than its factorization.
7425664330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15154438 (or 15154431 counting only the distinct ones).
The product of its (nonzero) digits is 362880, while the sum is 40.
The square root of 7425664330 is about 86172.2944454887. The cubic root of 7425664330 is about 1950.9453518359.
The spelling of 7425664330 in words is "seven billion, four hundred twenty-five million, six hundred sixty-four thousand, three hundred thirty".
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