Base | Representation |
---|---|
bin | 11100000011010111… |
… | …011000101001110010 |
3 | 2212202012102011210121 |
4 | 130003113120221302 |
5 | 443142013424020 |
6 | 21500522320454 |
7 | 2114301153601 |
oct | 340327305162 |
9 | 85665364717 |
10 | 30121233010 |
11 | 11857718200 |
12 | 5a0765912a |
13 | 2ac05312cb |
14 | 165a5a5a38 |
15 | bb45c4baa |
hex | 7035d8a72 |
30121233010 has 48 divisors (see below), whose sum is σ = 59691191616. Its totient is φ = 10935540000.
The previous prime is 30121232971. The next prime is 30121233017. The reversal of 30121233010 is 1033212103.
It is not an unprimeable number, because it can be changed into a prime (30121233017) by changing a digit.
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 23 ways as a sum of consecutive naturals, for example, 743785 + ... + 783235.
It is an arithmetic number, because the mean of its divisors is an integer number (1243566492).
Almost surely, 230121233010 is an apocalyptic number.
30121233010 is a deficient number, since it is larger than the sum of its proper divisors (29569958606).
30121233010 is a wasteful number, since it uses less digits than its factorization.
30121233010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40111 (or 40100 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 30121233010 its reverse (1033212103), we get a palindrome (31154445113).
The spelling of 30121233010 in words is "thirty billion, one hundred twenty-one million, two hundred thirty-three thousand, ten".
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