Base | Representation |
---|---|
bin | 11011111111010110110101… |
… | …011101010011110101111010 |
3 | 121010212100110110100120212200 |
4 | 123333112311131103311322 |
5 | 112113342024104431302 |
6 | 1113451510543451030 |
7 | 34633522031416632 |
oct | 3377266535236572 |
9 | 533770413316780 |
10 | 123101102030202 |
11 | 3625097a94764a |
12 | 11981999bb6a76 |
13 | 538c4cbb7b08a |
14 | 22581a74d36c2 |
15 | e3721ec1b81c |
hex | 6ff5b5753d7a |
123101102030202 has 24 divisors (see below), whose sum is σ = 266725299634560. Its totient is φ = 41032739871240.
The previous prime is 123101102030183. The next prime is 123101102030239. The reversal of 123101102030202 is 202030201101321.
123101102030202 is a `hidden beast` number, since 1 + 231 + 0 + 110 + 20 + 302 + 0 + 2 = 666.
It is a super-2 number, since 2×1231011020302022 (a number of 29 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79276824 + ... + 80814707.
It is an arithmetic number, because the mean of its divisors is an integer number (11113554151440).
Almost surely, 2123101102030202 is an apocalyptic number.
123101102030202 is an abundant number, since it is smaller than the sum of its proper divisors (143624197604358).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123101102030202 is a wasteful number, since it uses less digits than its factorization.
123101102030202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 160134258 (or 160134255 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 123101102030202 its reverse (202030201101321), we get a palindrome (325131303131523).
The spelling of 123101102030202 in words is "one hundred twenty-three trillion, one hundred one billion, one hundred two million, thirty thousand, two hundred two".
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