Base | Representation |
---|---|
bin | 10010101111111001… |
… | …110011010001111000 |
3 | 1220221222002111102110 |
4 | 102233321303101320 |
5 | 312212021043412 |
6 | 13125325532320 |
7 | 1311602652621 |
oct | 225771632170 |
9 | 56858074373 |
10 | 20131034232 |
11 | 85a0497a81 |
12 | 3a99a140a0 |
13 | 1b8a89609a |
14 | d8d874a48 |
15 | 7cc500d3c |
hex | 4afe73478 |
20131034232 has 32 divisors (see below), whose sum is σ = 50394114000. Its totient is φ = 6701474304.
The previous prime is 20131034213. The next prime is 20131034243. The reversal of 20131034232 is 23243013102.
It is a junction number, because it is equal to n+sod(n) for n = 20131034199 and 20131034208.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 535857 + ... + 572192.
Almost surely, 220131034232 is an apocalyptic number.
It is an amenable number.
20131034232 is an abundant number, since it is smaller than the sum of its proper divisors (30263079768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20131034232 is a wasteful number, since it uses less digits than its factorization.
20131034232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1108815 (or 1108811 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 20131034232 its reverse (23243013102), we get a palindrome (43374047334).
The spelling of 20131034232 in words is "twenty billion, one hundred thirty-one million, thirty-four thousand, two hundred thirty-two".
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