Base | Representation |
---|---|
bin | 10011000111110000… |
… | …000101100111101101 |
3 | 1221222211222000212101 |
4 | 103013300011213231 |
5 | 314021433003401 |
6 | 13233141335101 |
7 | 1324531551142 |
oct | 230760054755 |
9 | 57884860771 |
10 | 20531141101 |
11 | 8786326209 |
12 | 3b8ba07491 |
13 | 1c22744203 |
14 | dcaa663c9 |
15 | 8026d6101 |
hex | 4c7c059ed |
20531141101 has 8 divisors (see below), whose sum is σ = 20781200960. Its totient is φ = 20282056992.
The previous prime is 20531141069. The next prime is 20531141143. The reversal of 20531141101 is 10114113502.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20531141101 - 25 = 20531141069 is a prime.
It is a super-3 number, since 3×205311411013 (a number of 32 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20531147101) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201555 + ... + 285808.
It is an arithmetic number, because the mean of its divisors is an integer number (2597650120).
Almost surely, 220531141101 is an apocalyptic number.
It is an amenable number.
20531141101 is a deficient number, since it is larger than the sum of its proper divisors (250059859).
20531141101 is a wasteful number, since it uses less digits than its factorization.
20531141101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 487875.
The product of its (nonzero) digits is 120, while the sum is 19.
Adding to 20531141101 its reverse (10114113502), we get a palindrome (30645254603).
The spelling of 20531141101 in words is "twenty billion, five hundred thirty-one million, one hundred forty-one thousand, one hundred one".
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