Base | Representation |
---|---|
bin | 10010110110011010… |
… | …010111101110100100 |
3 | 1221020120120111022012 |
4 | 102312122113232210 |
5 | 312423000013203 |
6 | 13144230253352 |
7 | 1314400106510 |
oct | 226632275644 |
9 | 57216514265 |
10 | 20240235428 |
11 | 86470a34a6 |
12 | 3b0a4b7258 |
13 | 1ba73ab98a |
14 | da017d140 |
15 | 7d6dc1bd8 |
hex | 4b6697ba4 |
20240235428 has 96 divisors (see below), whose sum is σ = 44804358144. Its totient is φ = 7795358208.
The previous prime is 20240235413. The next prime is 20240235443. The reversal of 20240235428 is 82453204202.
It is an interprime number because it is at equal distance from previous prime (20240235413) and next prime (20240235443).
It is a junction number, because it is equal to n+sod(n) for n = 20240235394 and 20240235403.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7957925 + ... + 7960467.
It is an arithmetic number, because the mean of its divisors is an integer number (466712064).
Almost surely, 220240235428 is an apocalyptic number.
20240235428 is a gapful number since it is divisible by the number (28) 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 20240235428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22402179072).
20240235428 is an abundant number, since it is smaller than the sum of its proper divisors (24564122716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20240235428 is a wasteful number, since it uses less digits than its factorization.
20240235428 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3321 (or 3319 counting only the distinct ones).
The product of its (nonzero) digits is 30720, while the sum is 32.
The spelling of 20240235428 in words is "twenty billion, two hundred forty million, two hundred thirty-five thousand, four hundred twenty-eight".
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