Base | Representation |
---|---|
bin | 10010101001111001… |
… | …101001010101111000 |
3 | 1220200221121012111200 |
4 | 102221321221111320 |
5 | 312010231031412 |
6 | 13111331254200 |
7 | 1306240666143 |
oct | 225171512570 |
9 | 56627535450 |
10 | 20030330232 |
11 | 8549665630 |
12 | 3a7014a360 |
13 | 1b72a67013 |
14 | d8033d05a |
15 | 7c375c9dc |
hex | 4a9e69578 |
20030330232 has 48 divisors (see below), whose sum is σ = 59180523480. Its totient is φ = 6069796800.
The previous prime is 20030330161. The next prime is 20030330261. The reversal of 20030330232 is 23203303002.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12644619 + ... + 12646202.
Almost surely, 220030330232 is an apocalyptic number.
20030330232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
20030330232 is an abundant number, since it is smaller than the sum of its proper divisors (39150193248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20030330232 is a wasteful number, since it uses less digits than its factorization.
20030330232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25290844 (or 25290837 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 18.
Adding to 20030330232 its reverse (23203303002), we get a palindrome (43233633234).
The spelling of 20030330232 in words is "twenty billion, thirty million, three hundred thirty thousand, two hundred thirty-two".
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