Base | Representation |
---|---|
bin | 11101000111011011011… |
… | …11010000001101010111 |
3 | 10112122021001121102221111 |
4 | 32203231233100031113 |
5 | 112342330234000043 |
6 | 2043330445555451 |
7 | 132164236123234 |
oct | 16435557201527 |
9 | 3478231542844 |
10 | 1000421000023 |
11 | 3563046344a5 |
12 | 141a7ab75b87 |
13 | 73454580793 |
14 | 365c631678b |
15 | 1b0536c709d |
hex | e8edbd0357 |
1000421000023 has 8 divisors (see below), whose sum is σ = 1059299815392. Its totient is φ = 941545575936.
The previous prime is 1000421000009. The next prime is 1000421000069. The reversal of 1000421000023 is 3200001240001.
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 1000421000023 - 221 = 1000418902871 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1000420999967 and 1000421000012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1000421006023) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227490 + ... + 1432687.
It is an arithmetic number, because the mean of its divisors is an integer number (132412476924).
Almost surely, 21000421000023 is an apocalyptic number.
1000421000023 is a deficient number, since it is larger than the sum of its proper divisors (58878815369).
1000421000023 is a wasteful number, since it uses less digits than its factorization.
1000421000023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1695641.
The product of its (nonzero) digits is 48, while the sum is 13.
Adding to 1000421000023 its reverse (3200001240001), we get a palindrome (4200422240024).
The spelling of 1000421000023 in words is "one trillion, four hundred twenty-one million, twenty-three", and thus it is an aban number.
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