Base | Representation |
---|---|
bin | 111000011100010110… |
… | …0010101010101101100 |
3 | 102120212100102200010101 |
4 | 1300320230111111230 |
5 | 3441214304330444 |
6 | 131403323520444 |
7 | 11520462646054 |
oct | 1607054252554 |
9 | 376770380111 |
10 | 121210230124 |
11 | 47450018a05 |
12 | 1b5a9089124 |
13 | b578b51079 |
14 | 5c1bd7a564 |
15 | 32463623d4 |
hex | 1c38b1556c |
121210230124 has 12 divisors (see below), whose sum is σ = 223282003000. Its totient is φ = 57415372128.
The previous prime is 121210230107. The next prime is 121210230131. The reversal of 121210230124 is 421032012121.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 797435649 + ... + 797435800.
Almost surely, 2121210230124 is an apocalyptic number.
It is an amenable number.
121210230124 is a deficient number, since it is larger than the sum of its proper divisors (102071772876).
121210230124 is a wasteful number, since it uses less digits than its factorization.
121210230124 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1594871472 (or 1594871470 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 19.
Adding to 121210230124 its reverse (421032012121), we get a palindrome (542242242245).
The spelling of 121210230124 in words is "one hundred twenty-one billion, two hundred ten million, two hundred thirty thousand, one hundred twenty-four".
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