Base | Representation |
---|---|
bin | 10010101111111110… |
… | …101010111000011000 |
3 | 1220222001111100012120 |
4 | 102233332222320120 |
5 | 312212332414202 |
6 | 13125413141240 |
7 | 1311616546644 |
oct | 225776527030 |
9 | 56861440176 |
10 | 20132310552 |
11 | 85a1189992 |
12 | 3a9a32a820 |
13 | 1b8ac21cc3 |
14 | d8dac7c24 |
15 | 7cc6a40bc |
hex | 4affaae18 |
20132310552 has 32 divisors (see below), whose sum is σ = 50361620400. Its totient is φ = 6706657664.
The previous prime is 20132310533. The next prime is 20132310559. The reversal of 20132310552 is 25501323102.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20132310559) 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, 216927 + ... + 295502.
Almost surely, 220132310552 is an apocalyptic number.
It is an amenable number.
20132310552 is an abundant number, since it is smaller than the sum of its proper divisors (30229309848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20132310552 is a wasteful number, since it uses less digits than its factorization.
20132310552 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 514075 (or 514071 counting only the distinct ones).
The product of its (nonzero) digits is 1800, while the sum is 24.
Adding to 20132310552 its reverse (25501323102), we get a palindrome (45633633654).
The spelling of 20132310552 in words is "twenty billion, one hundred thirty-two million, three hundred ten thousand, five hundred fifty-two".
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