Base | Representation |
---|---|
bin | 111101001001111100… |
… | …1100010110101110110 |
3 | 110112222122020020222120 |
4 | 1322103321202311312 |
5 | 4122431032321200 |
6 | 140155441140410 |
7 | 12326326411023 |
oct | 1722371426566 |
9 | 415878206876 |
10 | 131330354550 |
11 | 5077361a1aa |
12 | 2155232a706 |
13 | c4cc6a9c85 |
14 | 64dc04c54a |
15 | 3639a4c9a0 |
hex | 1e93e62d76 |
131330354550 has 48 divisors (see below), whose sum is σ = 336205719552. Its totient is φ = 33891703200.
The previous prime is 131330354549. The next prime is 131330354563. The reversal of 131330354550 is 55453033131.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14116894 + ... + 14126193.
It is an arithmetic number, because the mean of its divisors is an integer number (7004285824).
Almost surely, 2131330354550 is an apocalyptic number.
131330354550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131330354550 is an abundant number, since it is smaller than the sum of its proper divisors (204875365002).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131330354550 is a wasteful number, since it uses less digits than its factorization.
131330354550 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28243133 (or 28243128 counting only the distinct ones).
The product of its (nonzero) digits is 40500, while the sum is 33.
Adding to 131330354550 its reverse (55453033131), we get a palindrome (186783387681).
The spelling of 131330354550 in words is "one hundred thirty-one billion, three hundred thirty million, three hundred fifty-four thousand, five hundred fifty".
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