Base | Representation |
---|---|
bin | 111101011010011101… |
… | …0110001100111001000 |
3 | 110121102020121220000111 |
4 | 1322310322301213020 |
5 | 4130044341402240 |
6 | 140330430444104 |
7 | 12346134161116 |
oct | 1726472614710 |
9 | 417366556014 |
10 | 131884325320 |
11 | 50a28299690 |
12 | 21687963634 |
13 | c58a3aa927 |
14 | 6551852ab6 |
15 | 366d4c71ea |
hex | 1eb4eb19c8 |
131884325320 has 128 divisors (see below), whose sum is σ = 346341225600. Its totient is φ = 44688844800.
The previous prime is 131884325311. The next prime is 131884325327. The reversal of 131884325320 is 23523488131.
It is a super-2 number, since 2×1318843253202 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (40).
It is not an unprimeable number, because it can be changed into a prime (131884325327) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 380652 + ... + 639268.
It is an arithmetic number, because the mean of its divisors is an integer number (2705790825).
Almost surely, 2131884325320 is an apocalyptic number.
131884325320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 131884325320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173170612800).
131884325320 is an abundant number, since it is smaller than the sum of its proper divisors (214456900280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131884325320 is a wasteful number, since it uses less digits than its factorization.
131884325320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 258719 (or 258715 counting only the distinct ones).
The product of its (nonzero) digits is 138240, while the sum is 40.
The spelling of 131884325320 in words is "one hundred thirty-one billion, eight hundred eighty-four million, three hundred twenty-five thousand, three hundred twenty".
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