Base | Representation |
---|---|
bin | 10010110110101000… |
… | …011111111101000101 |
3 | 1221020211112122211202 |
4 | 102312220133331011 |
5 | 312424422023031 |
6 | 13144441512245 |
7 | 1314443433506 |
oct | 226650377505 |
9 | 57224478752 |
10 | 20243939141 |
11 | 86491a3118 |
12 | 3b0b7a2685 |
13 | 1ba80a771a |
14 | da0864bad |
15 | 7d73a42cb |
hex | 4b6a1ff45 |
20243939141 has 8 divisors (see below), whose sum is σ = 21333262464. Its totient is φ = 19172045200.
The previous prime is 20243939119. The next prime is 20243939171. The reversal of 20243939141 is 14193934202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-20243939141 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20243939095 and 20243939104.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20243939171) 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, 4354961 + ... + 4359606.
It is an arithmetic number, because the mean of its divisors is an integer number (2666657808).
Almost surely, 220243939141 is an apocalyptic number.
It is an amenable number.
20243939141 is a deficient number, since it is larger than the sum of its proper divisors (1089323323).
20243939141 is a wasteful number, since it uses less digits than its factorization.
20243939141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8714691.
The product of its (nonzero) digits is 46656, while the sum is 38.
The spelling of 20243939141 in words is "twenty billion, two hundred forty-three million, nine hundred thirty-nine thousand, one hundred forty-one".
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