Base | Representation |
---|---|
bin | 11110111001001101110… |
… | …111000101101010111001 |
3 | 21111221212220221000100021 |
4 | 132321031313011222321 |
5 | 234240421123143001 |
6 | 4303145121210441 |
7 | 306245263236100 |
oct | 36711567055271 |
9 | 7457786830307 |
10 | 2123020131001 |
11 | 749405576040 |
12 | 2a3557190a21 |
13 | 12527a360bb3 |
14 | 74a7cd5d037 |
15 | 3a3581a1ba1 |
hex | 1ee4ddc5ab9 |
2123020131001 has 36 divisors (see below), whose sum is σ = 2816378150544. Its totient is φ = 1582375040400.
The previous prime is 2123020130981. The next prime is 2123020131013. The reversal of 2123020131001 is 1001310203212.
It is not a de Polignac number, because 2123020131001 - 25 = 2123020130969 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2123020131101) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3437755 + ... + 4008016.
It is an arithmetic number, because the mean of its divisors is an integer number (78232726404).
Almost surely, 22123020131001 is an apocalyptic number.
It is an amenable number.
2123020131001 is a deficient number, since it is larger than the sum of its proper divisors (693358019543).
2123020131001 is a wasteful number, since it uses less digits than its factorization.
2123020131001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7445842 (or 7445812 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 2123020131001 its reverse (1001310203212), we get a palindrome (3124330334213).
The spelling of 2123020131001 in words is "two trillion, one hundred twenty-three billion, twenty million, one hundred thirty-one thousand, one".
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