Base | Representation |
---|---|
bin | 10010101010011111… |
… | …000100100101000001 |
3 | 1220201122001122111221 |
4 | 102222133010211001 |
5 | 312020234003441 |
6 | 13112321435041 |
7 | 1306420250260 |
oct | 225237044501 |
9 | 56648048457 |
10 | 20040141121 |
11 | 8554156700 |
12 | 3a7349ba81 |
13 | 1b74ac0790 |
14 | d817745d7 |
15 | 7c45498d1 |
hex | 4aa7c4941 |
20040141121 has 96 divisors (see below), whose sum is σ = 28378667520. Its totient is φ = 13752668160.
The previous prime is 20040141101. The next prime is 20040141137. The reversal of 20040141121 is 12114104002.
It is a happy number.
It is not a de Polignac number, because 20040141121 - 219 = 20039616833 is a prime.
It is a super-2 number, since 2×200401411212 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20040141095 and 20040141104.
It is not an unprimeable number, because it can be changed into a prime (20040141101) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 30973620 + ... + 30974266.
It is an arithmetic number, because the mean of its divisors is an integer number (295611120).
Almost surely, 220040141121 is an apocalyptic number.
It is an amenable number.
20040141121 is a deficient number, since it is larger than the sum of its proper divisors (8338526399).
20040141121 is a wasteful number, since it uses less digits than its factorization.
20040141121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 815 (or 804 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 20040141121 its reverse (12114104002), we get a palindrome (32154245123).
It can be divided in two parts, 20040 and 141121, that added together give a palindrome (161161).
The spelling of 20040141121 in words is "twenty billion, forty million, one hundred forty-one thousand, one hundred twenty-one".
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