Base | Representation |
---|---|
bin | 1101011101110000… |
… | …00100001100101110 |
3 | 200122210110011202022 |
4 | 12232320010030232 |
5 | 104301044301032 |
6 | 3153152230142 |
7 | 344065431422 |
oct | 65670041456 |
9 | 20583404668 |
10 | 7228900142 |
11 | 307a586742 |
12 | 1498b3b352 |
13 | 8b286b709 |
14 | 4c8102b82 |
15 | 2c4981512 |
hex | 1aee0432e |
7228900142 has 16 divisors (see below), whose sum is σ = 11110176000. Its totient is φ = 3526009848.
The previous prime is 7228900141. The next prime is 7228900153. The reversal of 7228900142 is 2410098227.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7228900141) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96392 + ... + 154107.
It is an arithmetic number, because the mean of its divisors is an integer number (694386000).
Almost surely, 27228900142 is an apocalyptic number.
7228900142 is a deficient number, since it is larger than the sum of its proper divisors (3881275858).
7228900142 is a wasteful number, since it uses less digits than its factorization.
7228900142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 250855.
The product of its (nonzero) digits is 16128, while the sum is 35.
The square root of 7228900142 is about 85022.9389165065. The cubic root of 7228900142 is about 1933.5589109032.
Adding to 7228900142 its reverse (2410098227), we get a palindrome (9638998369).
The spelling of 7228900142 in words is "seven billion, two hundred twenty-eight million, nine hundred thousand, one hundred forty-two".
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