Base | Representation |
---|---|
bin | 11100000011010111… |
… | …101011011101001110 |
3 | 2212202012120002110012 |
4 | 130003113223131032 |
5 | 443142023410110 |
6 | 21500524113222 |
7 | 2114301624260 |
oct | 340327533516 |
9 | 85665502405 |
10 | 30121310030 |
11 | 11857770059 |
12 | 5a07695812 |
13 | 2ac055a396 |
14 | 165a5c5b30 |
15 | bb45dc905 |
hex | 7035eb74e |
30121310030 has 16 divisors (see below), whose sum is σ = 61963837920. Its totient is φ = 10327306272.
The previous prime is 30121310003. The next prime is 30121310077. The reversal of 30121310030 is 3001312103.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a junction number, because it is equal to n+sod(n) for n = 30121309987 and 30121310014.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215152145 + ... + 215152284.
It is an arithmetic number, because the mean of its divisors is an integer number (3872739870).
Almost surely, 230121310030 is an apocalyptic number.
30121310030 is an abundant number, since it is smaller than the sum of its proper divisors (31842527890).
30121310030 is a wasteful number, since it uses less digits than its factorization.
30121310030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 430304443.
The product of its (nonzero) digits is 54, while the sum is 14.
Adding to 30121310030 its reverse (3001312103), we get a palindrome (33122622133).
The spelling of 30121310030 in words is "thirty billion, one hundred twenty-one million, three hundred ten thousand, thirty".
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