Base | Representation |
---|---|
bin | 1101001101010111… |
… | …01001111011100010 |
3 | 200022012202220220212 |
4 | 12212223221323202 |
5 | 104010401212330 |
6 | 3131401534122 |
7 | 340506103244 |
oct | 64653517342 |
9 | 20265686825 |
10 | 7091429090 |
11 | 3009a216a9 |
12 | 145aaa4342 |
13 | 8902384b5 |
14 | 4b3b5a094 |
15 | 2b7879295 |
hex | 1a6ae9ee2 |
7091429090 has 32 divisors (see below), whose sum is σ = 13722289920. Its totient is φ = 2630098944.
The previous prime is 7091429089. The next prime is 7091429101. The reversal of 7091429090 is 909241907.
It is a happy number.
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388127 + ... + 405986.
It is an arithmetic number, because the mean of its divisors is an integer number (428821560).
Almost surely, 27091429090 is an apocalyptic number.
7091429090 is a deficient number, since it is larger than the sum of its proper divisors (6630860830).
7091429090 is a wasteful number, since it uses less digits than its factorization.
7091429090 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 794186.
The product of its (nonzero) digits is 40824, while the sum is 41.
The square root of 7091429090 is about 84210.6233797138. The cubic root of 7091429090 is about 1921.2236385787.
The spelling of 7091429090 in words is "seven billion, ninety-one million, four hundred twenty-nine thousand, ninety".
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