Base | Representation |
---|---|
bin | 11101111000001011110011… |
… | …111001010100010001011010 |
3 | 122020021010112002101000210220 |
4 | 131320023303321110101122 |
5 | 114210412022230430204 |
6 | 1143250151210020510 |
7 | 36451435403155041 |
oct | 3570136371242132 |
9 | 566233462330726 |
10 | 131404321342554 |
11 | 389622947700a7 |
12 | 128a3055417736 |
13 | 58424b3541a90 |
14 | 2464008689558 |
15 | 102d1dbca61d9 |
hex | 7782f3e5445a |
131404321342554 has 128 divisors (see below), whose sum is σ = 299279589073920. Its totient is φ = 38129435596800.
The previous prime is 131404321342531. The next prime is 131404321342579. The reversal of 131404321342554 is 455243123404131.
It is a super-2 number, since 2×1314043213425542 (a number of 29 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2466224394 + ... + 2466277674.
It is an arithmetic number, because the mean of its divisors is an integer number (2338121789640).
Almost surely, 2131404321342554 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 131404321342554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149639794536960).
131404321342554 is an abundant number, since it is smaller than the sum of its proper divisors (167875267731366).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131404321342554 is a wasteful number, since it uses less digits than its factorization.
131404321342554 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60876.
The product of its (nonzero) digits is 691200, while the sum is 42.
Adding to 131404321342554 its reverse (455243123404131), we get a palindrome (586647444746685).
The spelling of 131404321342554 in words is "one hundred thirty-one trillion, four hundred four billion, three hundred twenty-one million, three hundred forty-two thousand, five hundred fifty-four".
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