Base | Representation |
---|---|
bin | 111000011111101101… |
… | …1000001010011100010 |
3 | 102121011012212200120011 |
4 | 1300333123001103202 |
5 | 3441432210212010 |
6 | 131422435435134 |
7 | 11523333415324 |
oct | 1607733012342 |
9 | 377135780504 |
10 | 121323132130 |
11 | 474a8821952 |
12 | 1b61aa55aaa |
13 | b5963612a5 |
14 | 5c2cd69614 |
15 | 3251214a8a |
hex | 1c3f6c14e2 |
121323132130 has 32 divisors (see below), whose sum is σ = 220657618368. Its totient is φ = 48023976000.
The previous prime is 121323132121. The next prime is 121323132143. The reversal of 121323132130 is 31231323121.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1993045 + ... + 2053015.
It is an arithmetic number, because the mean of its divisors is an integer number (6895550574).
Almost surely, 2121323132130 is an apocalyptic number.
121323132130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
121323132130 is a deficient number, since it is larger than the sum of its proper divisors (99334486238).
121323132130 is a wasteful number, since it uses less digits than its factorization.
121323132130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62082.
The product of its (nonzero) digits is 648, while the sum is 22.
Adding to 121323132130 its reverse (31231323121), we get a palindrome (152554455251).
The spelling of 121323132130 in words is "one hundred twenty-one billion, three hundred twenty-three million, one hundred thirty-two thousand, one hundred thirty".
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