Base | Representation |
---|---|
bin | 11100000100100110… |
… | …101110110110101000 |
3 | 2212210122112221110110 |
4 | 130010212232312220 |
5 | 443212330031240 |
6 | 21502544214320 |
7 | 2114643025110 |
oct | 340446566650 |
9 | 85718487413 |
10 | 30142033320 |
11 | 11868434843 |
12 | 5a1260a3a0 |
13 | 2ac4934a99 |
14 | 165d25c040 |
15 | bb6332c80 |
hex | 7049aeda8 |
30142033320 has 64 divisors (see below), whose sum is σ = 103344117120. Its totient is φ = 6889607424.
The previous prime is 30142033309. The next prime is 30142033357. The reversal of 30142033320 is 2333024103.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17940847 + ... + 17942526.
It is an arithmetic number, because the mean of its divisors is an integer number (1614751830).
Almost surely, 230142033320 is an apocalyptic number.
30142033320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30142033320 is an abundant number, since it is smaller than the sum of its proper divisors (73202083800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30142033320 is a wasteful number, since it uses less digits than its factorization.
30142033320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35883394 (or 35883390 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 21.
Adding to 30142033320 its reverse (2333024103), we get a palindrome (32475057423).
The spelling of 30142033320 in words is "thirty billion, one hundred forty-two million, thirty-three thousand, three hundred twenty".
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