Base | Representation |
---|---|
bin | 11100001001110110… |
… | …110101110101011110 |
3 | 2220000210100100021002 |
4 | 130021312311311132 |
5 | 443402404023202 |
6 | 21515412510302 |
7 | 2120062653443 |
oct | 341166656536 |
9 | 86023310232 |
10 | 30230142302 |
11 | 11903144388 |
12 | 5a3801b392 |
13 | 2b09c74089 |
14 | 166ac359ca |
15 | bbde39302 |
hex | 709db5d5e |
30230142302 has 4 divisors (see below), whose sum is σ = 45345213456. Its totient is φ = 15115071150.
The previous prime is 30230142233. The next prime is 30230142307. The reversal of 30230142302 is 20324103203.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30230142307) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7557535574 + ... + 7557535577.
It is an arithmetic number, because the mean of its divisors is an integer number (11336303364).
Almost surely, 230230142302 is an apocalyptic number.
30230142302 is a deficient number, since it is larger than the sum of its proper divisors (15115071154).
30230142302 is a wasteful number, since it uses less digits than its factorization.
30230142302 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15115071153.
The product of its (nonzero) digits is 864, while the sum is 20.
Adding to 30230142302 its reverse (20324103203), we get a palindrome (50554245505).
The spelling of 30230142302 in words is "thirty billion, two hundred thirty million, one hundred forty-two thousand, three hundred two".
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