Base | Representation |
---|---|
bin | 11101111000001011110100… |
… | …000011111000010010001100 |
3 | 122020021010112021120201002110 |
4 | 131320023310003320102030 |
5 | 114210412023433032000 |
6 | 1143250151345224020 |
7 | 36451435435536546 |
oct | 3570136403702214 |
9 | 566233467521073 |
10 | 131404324111500 |
11 | 38962296291490 |
12 | 128a3056332010 |
13 | 58424b3ca11cb |
14 | 2464008baa696 |
15 | 102d1dc151850 |
hex | 7782f40f848c |
131404324111500 has 384 divisors, whose sum is σ = 441341948436480. Its totient is φ = 30046020192000.
The previous prime is 131404324111483. The next prime is 131404324111573. The reversal of 131404324111500 is 5111423404131.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 70241257 + ... + 72087743.
It is an arithmetic number, because the mean of its divisors is an integer number (1149327990720).
Almost surely, 2131404324111500 is an apocalyptic number.
131404324111500 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 131404324111500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220670974218240).
131404324111500 is an abundant number, since it is smaller than the sum of its proper divisors (309937624324980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131404324111500 is a wasteful number, since it uses less digits than its factorization.
131404324111500 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1846766 (or 1846754 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 30.
Adding to 131404324111500 its reverse (5111423404131), we get a palindrome (136515747515631).
The spelling of 131404324111500 in words is "one hundred thirty-one trillion, four hundred four billion, three hundred twenty-four million, one hundred eleven thousand, five hundred".
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