Base | Representation |
---|---|
bin | 1101010100001100… |
… | …00100011101011010 |
3 | 200110012111211110112 |
4 | 12222012010131122 |
5 | 104120030411041 |
6 | 3141205044322 |
7 | 342102551441 |
oct | 65206043532 |
9 | 20405454415 |
10 | 7148685146 |
11 | 3039278a59 |
12 | 14760b66a2 |
13 | 89c064515 |
14 | 4bb5c1d58 |
15 | 2bc8d8deb |
hex | 1aa18475a |
7148685146 has 8 divisors (see below), whose sum is σ = 10723494144. Its totient is φ = 3574187100.
The previous prime is 7148685143. The next prime is 7148685149. The reversal of 7148685146 is 6415868417.
It is an interprime number because it is at equal distance from previous prime (7148685143) and next prime (7148685149).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×71486851462 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 7148685094 and 7148685103.
It is not an unprimeable number, because it can be changed into a prime (7148685143) 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, 7610 + ... + 119813.
It is an arithmetic number, because the mean of its divisors is an integer number (1340436768).
Almost surely, 27148685146 is an apocalyptic number.
7148685146 is a deficient number, since it is larger than the sum of its proper divisors (3574808998).
7148685146 is a wasteful number, since it uses less digits than its factorization.
7148685146 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 155476.
The product of its digits is 1290240, while the sum is 50.
The square root of 7148685146 is about 84549.8973742724. The cubic root of 7148685146 is about 1926.3804251359.
The spelling of 7148685146 in words is "seven billion, one hundred forty-eight million, six hundred eighty-five thousand, one hundred forty-six".
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