Base | Representation |
---|---|
bin | 10010110101110011… |
… | …011010101110010000 |
3 | 1221012212100200222010 |
4 | 102311303122232100 |
5 | 312412341232310 |
6 | 13143223342520 |
7 | 1314214240020 |
oct | 226563325620 |
9 | 57185320863 |
10 | 20230024080 |
11 | 8641359572 |
12 | 3b06bb1a40 |
13 | 1ba5244b66 |
14 | d9ca81a80 |
15 | 7d6056320 |
hex | 4b5cdab90 |
20230024080 has 160 divisors (see below), whose sum is σ = 71747622144. Its totient is φ = 4619132928.
The previous prime is 20230024069. The next prime is 20230024081. The reversal of 20230024080 is 8042003202.
It is a super-4 number, since 4×202300240804 (a number of 42 digits) contains 4444 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is not an unprimeable number, because it can be changed into a prime (20230024081) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1729612 + ... + 1741268.
Almost surely, 220230024080 is an apocalyptic number.
20230024080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20230024080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35873811072).
20230024080 is an abundant number, since it is smaller than the sum of its proper divisors (51517598064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20230024080 is a wasteful number, since it uses less digits than its factorization.
20230024080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12713 (or 12707 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 21.
Adding to 20230024080 its reverse (8042003202), we get a palindrome (28272027282).
The spelling of 20230024080 in words is "twenty billion, two hundred thirty million, twenty-four thousand, eighty".
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