Base | Representation |
---|---|
bin | 111000011100111100… |
… | …1000000100011110110 |
3 | 102120220202020212010000 |
4 | 1300321321000203312 |
5 | 3441234431030402 |
6 | 131405322412130 |
7 | 11521125542430 |
oct | 1607171004366 |
9 | 376822225100 |
10 | 121230330102 |
11 | 474603a7362 |
12 | 1b5b3961046 |
13 | b58006ab4b |
14 | 5c208cd650 |
15 | 3247ed2c1c |
hex | 1c39e408f6 |
121230330102 has 40 divisors (see below), whose sum is σ = 310452276816. Its totient is φ = 34637236848.
The previous prime is 121230330083. The next prime is 121230330157. The reversal of 121230330102 is 201033032121.
121230330102 is a `hidden beast` number, since 1 + 2 + 1 + 230 + 330 + 102 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 53451393 + ... + 53453660.
Almost surely, 2121230330102 is an apocalyptic number.
121230330102 is an abundant number, since it is smaller than the sum of its proper divisors (189221946714).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121230330102 is a wasteful number, since it uses less digits than its factorization.
121230330102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 106905074 (or 106905065 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 121230330102 its reverse (201033032121), we get a palindrome (322263362223).
The spelling of 121230330102 in words is "one hundred twenty-one billion, two hundred thirty million, three hundred thirty thousand, one hundred two".
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