Base | Representation |
---|---|
bin | 11100001110001001… |
… | …011100111111001000 |
3 | 2220012210210200222120 |
4 | 130032021130333020 |
5 | 444024321130440 |
6 | 21530503451240 |
7 | 2121625566453 |
oct | 341611347710 |
9 | 86183720876 |
10 | 30302130120 |
11 | 1193a842949 |
12 | 5a58156b20 |
13 | 2b1bb5a612 |
14 | 167661449a |
15 | bc5408dd0 |
hex | 70e25cfc8 |
30302130120 has 64 divisors (see below), whose sum is σ = 91306941120. Its totient is φ = 8044963584.
The previous prime is 30302130109. The next prime is 30302130161. The reversal of 30302130120 is 2103120303.
It is a super-2 number, since 2×303021301202 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 30302130120.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 528967 + ... + 583446.
It is an arithmetic number, because the mean of its divisors is an integer number (1426670955).
Almost surely, 230302130120 is an apocalyptic number.
30302130120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30302130120 is an abundant number, since it is smaller than the sum of its proper divisors (61004811000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30302130120 is a wasteful number, since it uses less digits than its factorization.
30302130120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1112654 (or 1112650 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 15.
Adding to 30302130120 its reverse (2103120303), we get a palindrome (32405250423).
The spelling of 30302130120 in words is "thirty billion, three hundred two million, one hundred thirty thousand, one hundred twenty".
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