Base | Representation |
---|---|
bin | 11100000011010110… |
… | …100000000010001111 |
3 | 2212202011222101200110 |
4 | 130003112200002033 |
5 | 443141434013403 |
6 | 21500513331103 |
7 | 2114266166514 |
oct | 340326400217 |
9 | 85664871613 |
10 | 30121001103 |
11 | 11857579a46 |
12 | 5a07566a93 |
13 | 2ac047c89b |
14 | 165a54530b |
15 | bb457b103 |
hex | 7035a008f |
30121001103 has 8 divisors (see below), whose sum is σ = 40164426288. Its totient is φ = 20079121664.
The previous prime is 30121001051. The next prime is 30121001161. The reversal of 30121001103 is 30110012103.
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 30121001103 - 26 = 30121001039 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30121001203) 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, 340176 + ... + 419477.
It is an arithmetic number, because the mean of its divisors is an integer number (5020553286).
Almost surely, 230121001103 is an apocalyptic number.
30121001103 is a deficient number, since it is larger than the sum of its proper divisors (10043425185).
30121001103 is a wasteful number, since it uses less digits than its factorization.
30121001103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 772873.
The product of its (nonzero) digits is 18, while the sum is 12.
Adding to 30121001103 its reverse (30110012103), we get a palindrome (60231013206).
The spelling of 30121001103 in words is "thirty billion, one hundred twenty-one million, one thousand, one hundred three".
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