Base | Representation |
---|---|
bin | 11011100100001000010101… |
… | …001110100010100011110010 |
3 | 120220020111002022122111220000 |
4 | 123210020111032202203302 |
5 | 111342213222333430002 |
6 | 1105500201313530430 |
7 | 34351404652341111 |
oct | 3344102516424362 |
9 | 526214068574800 |
10 | 121230103030002 |
11 | 3569a44177529a |
12 | 1171b258273a16 |
13 | 5284c46541465 |
14 | 21d17d5581c78 |
15 | e0371701c61c |
hex | 6e42153a28f2 |
121230103030002 has 80 divisors (see below), whose sum is σ = 274549662478872. Its totient is φ = 39978596908800.
The previous prime is 121230103029953. The next prime is 121230103030007. The reversal of 121230103030002 is 200030301032121.
121230103030002 is a `hidden beast` number, since 121 + 230 + 10 + 3 + 0 + 300 + 0 + 2 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 120076865445681 + 1153237584321 = 10957959^2 + 1073889^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (121230103030007) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 17993238 + ... + 23795310.
Almost surely, 2121230103030002 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 121230103030002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137274831239436).
121230103030002 is an abundant number, since it is smaller than the sum of its proper divisors (153319559448870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121230103030002 is a wasteful number, since it uses less digits than its factorization.
121230103030002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5803465 (or 5803456 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 121230103030002 its reverse (200030301032121), we get a palindrome (321260404062123).
The spelling of 121230103030002 in words is "one hundred twenty-one trillion, two hundred thirty billion, one hundred three million, thirty thousand, two".
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