Base | Representation |
---|---|
bin | 1101010011110110… |
… | …00101010100111110 |
3 | 200110000002111210211 |
4 | 12221323011110332 |
5 | 104113311230433 |
6 | 3141023223034 |
7 | 342036225034 |
oct | 65173052476 |
9 | 20400074724 |
10 | 7145805118 |
11 | 3037691171 |
12 | 1475147a7a |
13 | 89b59666a |
14 | 4bb072554 |
15 | 2bc51a8cd |
hex | 1a9ec553e |
7145805118 has 16 divisors (see below), whose sum is σ = 10836421344. Its totient is φ = 3533713920.
The previous prime is 7145805103. The next prime is 7145805127. The reversal of 7145805118 is 8115085417.
It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 300298 + ... + 323218.
It is an arithmetic number, because the mean of its divisors is an integer number (677276334).
Almost surely, 27145805118 is an apocalyptic number.
7145805118 is a deficient number, since it is larger than the sum of its proper divisors (3690616226).
7145805118 is a wasteful number, since it uses less digits than its factorization.
7145805118 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24627.
The product of its (nonzero) digits is 44800, while the sum is 40.
The square root of 7145805118 is about 84532.8641298755. The cubic root of 7145805118 is about 1926.1216934171.
The spelling of 7145805118 in words is "seven billion, one hundred forty-five million, eight hundred five thousand, one hundred eighteen".
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