Base | Representation |
---|---|
bin | 10010111100011100… |
… | …000011011101111111 |
3 | 1221111121211010202010 |
4 | 102330130003131333 |
5 | 313124340340111 |
6 | 13202241302303 |
7 | 1320035352225 |
oct | 227434033577 |
9 | 57447733663 |
10 | 20341340031 |
11 | 8699179921 |
12 | 3b38334993 |
13 | 1bc231b19c |
14 | dad77ab15 |
15 | 7e0be3aa6 |
hex | 4bc70377f |
20341340031 has 16 divisors (see below), whose sum is σ = 27238063104. Its totient is φ = 13502797824.
The previous prime is 20341340003. The next prime is 20341340053. The reversal of 20341340031 is 13004314302.
It is not a de Polignac number, because 20341340031 - 215 = 20341307263 is a prime.
It is a super-2 number, since 2×203413400312 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20341340081) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3360850 + ... + 3366896.
It is an arithmetic number, because the mean of its divisors is an integer number (1702378944).
Almost surely, 220341340031 is an apocalyptic number.
20341340031 is a deficient number, since it is larger than the sum of its proper divisors (6896723073).
20341340031 is a wasteful number, since it uses less digits than its factorization.
20341340031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10670.
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 20341340031 its reverse (13004314302), we get a palindrome (33345654333).
The spelling of 20341340031 in words is "twenty billion, three hundred forty-one million, three hundred forty thousand, thirty-one".
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