Base | Representation |
---|---|
bin | 111101000110000100… |
… | …1100000101110000000 |
3 | 110112122120112221110012 |
4 | 1322030021200232000 |
5 | 4122144240304212 |
6 | 140134514124052 |
7 | 12323160224444 |
oct | 1721411405600 |
9 | 415576487405 |
10 | 131200322432 |
11 | 50707186143 |
12 | 21516880628 |
13 | c4ab77c9aa |
14 | 64c8a80824 |
15 | 362d414922 |
hex | 1e8c260b80 |
131200322432 has 32 divisors (see below), whose sum is σ = 275132260200. Its totient is φ = 62147520000.
The previous prime is 131200322411. The next prime is 131200322467. The reversal of 131200322432 is 234223002131.
It is a tau number, because it is divible by the number of its divisors (32).
It is a junction number, because it is equal to n+sod(n) for n = 131200322398 and 131200322407.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26971319 + ... + 26976182.
Almost surely, 2131200322432 is an apocalyptic number.
It is an amenable number.
131200322432 is an abundant number, since it is smaller than the sum of its proper divisors (143931937768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131200322432 is an equidigital number, since it uses as much as digits as its factorization.
131200322432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53947534 (or 53947522 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 23.
Adding to 131200322432 its reverse (234223002131), we get a palindrome (365423324563).
The spelling of 131200322432 in words is "one hundred thirty-one billion, two hundred million, three hundred twenty-two thousand, four hundred thirty-two".
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