Base | Representation |
---|---|
bin | 11101010010110011… |
… | …011111101111010100 |
3 | 10000012002020212022221 |
4 | 131102303133233110 |
5 | 1003404211032012 |
6 | 22241052232124 |
7 | 2162313415060 |
oct | 352263375724 |
9 | 100162225287 |
10 | 31454002132 |
11 | 12380a67393 |
12 | 6119a6b644 |
13 | 2c736a07a7 |
14 | 17455b6aa0 |
15 | c415d9507 |
hex | 752cdfbd4 |
31454002132 has 12 divisors (see below), whose sum is σ = 62908004320. Its totient is φ = 13480286616.
The previous prime is 31454002121. The next prime is 31454002133. The reversal of 31454002132 is 23120045413.
31454002132 is an admirable number.
It is a junction number, because it is equal to n+sod(n) for n = 31454002097 and 31454002106.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31454002133) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561678582 + ... + 561678637.
Almost surely, 231454002132 is an apocalyptic number.
It is an amenable number.
31454002132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31454002132 is a wasteful number, since it uses less digits than its factorization.
31454002132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1123357230 (or 1123357228 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 25.
Adding to 31454002132 its reverse (23120045413), we get a palindrome (54574047545).
The spelling of 31454002132 in words is "thirty-one billion, four hundred fifty-four million, two thousand, one hundred thirty-two".
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