Base | Representation |
---|---|
bin | 11011111110110110… |
… | …001001111000100100 |
3 | 2212112220202010011101 |
4 | 123332312021320210 |
5 | 443013111203100 |
6 | 21445213245444 |
7 | 2112360536656 |
oct | 337666117044 |
9 | 85486663141 |
10 | 30045412900 |
11 | 11818941458 |
12 | 59a6193884 |
13 | 2aaa905639 |
14 | 16504aa6d6 |
15 | bacae986a |
hex | 6fed89e24 |
30045412900 has 36 divisors (see below), whose sum is σ = 68033270592. Its totient is φ = 11495635360.
The previous prime is 30045412897. The next prime is 30045412921. The reversal of 30045412900 is 921454003.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6529312 + ... + 6533911.
It is an arithmetic number, because the mean of its divisors is an integer number (1889813072).
Almost surely, 230045412900 is an apocalyptic number.
It is an amenable number.
30045412900 is an abundant number, since it is smaller than the sum of its proper divisors (37987857692).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30045412900 is a wasteful number, since it uses less digits than its factorization.
30045412900 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13063260 (or 13063253 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 28.
Adding to 30045412900 its reverse (921454003), we get a palindrome (30966866903).
The spelling of 30045412900 in words is "thirty billion, forty-five million, four hundred twelve thousand, nine hundred".
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