Base | Representation |
---|---|
bin | 11011100100001000010101… |
… | …001011110011100010001100 |
3 | 120220020111002021022002111002 |
4 | 123210020111023303202030 |
5 | 111342213222143004400 |
6 | 1105500201250315432 |
7 | 34351404643264034 |
oct | 3344102513634214 |
9 | 526214067262432 |
10 | 121230102313100 |
11 | 3569a441325710 |
12 | 1171b257b88b78 |
13 | 5284c46350061 |
14 | 21d17d54368c4 |
15 | e03716e29ed5 |
hex | 6e42152f388c |
121230102313100 has 72 divisors (see below), whose sum is σ = 286986929921328. Its totient is φ = 44083333324800.
The previous prime is 121230102313097. The next prime is 121230102313207. The reversal of 121230102313100 is 1313201032121.
It is a happy number.
It is a super-2 number, since 2×1212301023131002 (a number of 29 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 175057124 + ... + 175748276.
Almost surely, 2121230102313100 is an apocalyptic number.
121230102313100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
121230102313100 is an abundant number, since it is smaller than the sum of its proper divisors (165756827608228).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121230102313100 is a wasteful number, since it uses less digits than its factorization.
121230102313100 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 850635 (or 850628 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 121230102313100 its reverse (1313201032121), we get a palindrome (122543303345221).
The spelling of 121230102313100 in words is "one hundred twenty-one trillion, two hundred thirty billion, one hundred two million, three hundred thirteen thousand, one hundred".
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