Base | Representation |
---|---|
bin | 10010111011110010… |
… | …010111010110100111 |
3 | 1221110212020220112011 |
4 | 102323302113112213 |
5 | 313114041131211 |
6 | 13201211135051 |
7 | 1316543434351 |
oct | 227362272647 |
9 | 57425226464 |
10 | 20330411431 |
11 | 8692a95020 |
12 | 3b34744487 |
13 | 1bbcc92a65 |
14 | dac1340d1 |
15 | 7dec85921 |
hex | 4bbc975a7 |
20330411431 has 8 divisors (see below), whose sum is σ = 22179665664. Its totient is φ = 18481329720.
The previous prime is 20330411419. The next prime is 20330411443. The reversal of 20330411431 is 13411403302.
It is an interprime number because it is at equal distance from previous prime (20330411419) and next prime (20330411443).
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 20330411431 - 225 = 20296856999 is a prime.
It is a super-2 number, since 2×203304114312 (a number of 21 digits) contains 22 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 (20330411461) 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, 413736 + ... + 460258.
It is an arithmetic number, because the mean of its divisors is an integer number (2772458208).
Almost surely, 220330411431 is an apocalyptic number.
20330411431 is a deficient number, since it is larger than the sum of its proper divisors (1849254233).
20330411431 is a wasteful number, since it uses less digits than its factorization.
20330411431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 86261.
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 20330411431 its reverse (13411403302), we get a palindrome (33741814733).
The spelling of 20330411431 in words is "twenty billion, three hundred thirty million, four hundred eleven thousand, four hundred thirty-one".
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