Base | Representation |
---|---|
bin | 11100001011000110… |
… | …011101011111111101 |
3 | 2220002020121202001011 |
4 | 130023012131133331 |
5 | 443423224423031 |
6 | 21521440115221 |
7 | 2120435243335 |
oct | 341306353775 |
9 | 86066552034 |
10 | 30251014141 |
11 | 119139aa737 |
12 | 5a43005b11 |
13 | 2b113a128a |
14 | 166d90a0c5 |
15 | bc0bad6b1 |
hex | 70b19d7fd |
30251014141 has 8 divisors (see below), whose sum is σ = 32021071200. Its totient is φ = 28498746960.
The previous prime is 30251014121. The next prime is 30251014147. The reversal of 30251014141 is 14141015203.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30251014141 - 211 = 30251012093 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30251014147) 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, 4443970 + ... + 4450771.
It is an arithmetic number, because the mean of its divisors is an integer number (4002633900).
Almost surely, 230251014141 is an apocalyptic number.
It is an amenable number.
30251014141 is a deficient number, since it is larger than the sum of its proper divisors (1770057059).
30251014141 is a wasteful number, since it uses less digits than its factorization.
30251014141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8894939.
The product of its (nonzero) digits is 480, while the sum is 22.
Adding to 30251014141 its reverse (14141015203), we get a palindrome (44392029344).
The spelling of 30251014141 in words is "thirty billion, two hundred fifty-one million, fourteen thousand, one hundred forty-one".
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