Base | Representation |
---|---|
bin | 10010101010000000… |
… | …000011101100001111 |
3 | 1220201001202121010012 |
4 | 102222000003230033 |
5 | 312011143323043 |
6 | 13111431303435 |
7 | 1306261166333 |
oct | 225200035417 |
9 | 56631677105 |
10 | 20032011023 |
11 | 854a603412 |
12 | 3a7081ab7b |
13 | 1b7320507b |
14 | d806597c3 |
15 | 7c3990a18 |
hex | 4aa003b0f |
20032011023 has 8 divisors (see below), whose sum is σ = 21043260000. Its totient is φ = 19032453088.
The previous prime is 20032011017. The next prime is 20032011079. The reversal of 20032011023 is 32011023002.
It is a happy number.
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 20032011023 - 24 = 20032011007 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20032010989 and 20032011007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20032016023) 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, 2919248 + ... + 2926101.
It is an arithmetic number, because the mean of its divisors is an integer number (2630407500).
Almost surely, 220032011023 is an apocalyptic number.
20032011023 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
20032011023 is a deficient number, since it is larger than the sum of its proper divisors (1011248977).
20032011023 is a wasteful number, since it uses less digits than its factorization.
20032011023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5845521.
The product of its (nonzero) digits is 72, while the sum is 14.
Adding to 20032011023 its reverse (32011023002), we get a palindrome (52043034025).
The spelling of 20032011023 in words is "twenty billion, thirty-two million, eleven thousand, twenty-three".
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