Base | Representation |
---|---|
bin | 1101001101010011… |
… | …11110011101101010 |
3 | 200022011221120002202 |
4 | 12212221332131222 |
5 | 104010243121111 |
6 | 3131344300202 |
7 | 340502261021 |
oct | 64651763552 |
9 | 20264846082 |
10 | 7090988906 |
11 | 3009750a11 |
12 | 145a911662 |
13 | 890113031 |
14 | 4b3a838b8 |
15 | 2b77ddb3b |
hex | 1a6a7e76a |
7090988906 has 8 divisors (see below), whose sum is σ = 10637822880. Its totient is φ = 3545047948.
The previous prime is 7090988903. The next prime is 7090988923. The reversal of 7090988906 is 6098890907.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (7090988903) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203036 + ... + 235383.
It is an arithmetic number, because the mean of its divisors is an integer number (1329727860).
Almost surely, 27090988906 is an apocalyptic number.
7090988906 is a deficient number, since it is larger than the sum of its proper divisors (3546833974).
7090988906 is a wasteful number, since it uses less digits than its factorization.
7090988906 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 446508.
The product of its (nonzero) digits is 1959552, while the sum is 56.
The square root of 7090988906 is about 84208.0097496669. The cubic root of 7090988906 is about 1921.1838859236.
The spelling of 7090988906 in words is "seven billion, ninety million, nine hundred eighty-eight thousand, nine hundred six".
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