Base | Representation |
---|---|
bin | 1011011001110000001110… |
… | …0110100011100110110110 |
3 | 1122101112100221222201012200 |
4 | 2312130003212203212312 |
5 | 3120401404403212430 |
6 | 42355241143325330 |
7 | 2432526165333540 |
oct | 266340346434666 |
9 | 48345327881180 |
10 | 12537069975990 |
11 | 3aa3a3a18499a |
12 | 14a5927450846 |
13 | 6cc3188692a1 |
14 | 314b241c0690 |
15 | 16b1b81ba460 |
hex | b67039a39b6 |
12537069975990 has 768 divisors, whose sum is σ = 41912044462080. Its totient is φ = 2531114127360.
The previous prime is 12537069975977. The next prime is 12537069976033. The reversal of 12537069975990 is 9957996073521.
12537069975990 is a `hidden beast` number, since 1 + 25 + 3 + 7 + 0 + 6 + 9 + 9 + 7 + 599 + 0 = 666.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 18143371545 + ... + 18143372235.
It is an arithmetic number, because the mean of its divisors is an integer number (54572974560).
Almost surely, 212537069975990 is an apocalyptic number.
12537069975990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 12537069975990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20956022231040).
12537069975990 is an abundant number, since it is smaller than the sum of its proper divisors (29374974486090).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12537069975990 is a wasteful number, since it uses less digits than its factorization.
12537069975990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1457 (or 1454 counting only the distinct ones).
The product of its (nonzero) digits is 289340100, while the sum is 72.
The spelling of 12537069975990 in words is "twelve trillion, five hundred thirty-seven billion, sixty-nine million, nine hundred seventy-five thousand, nine hundred ninety".
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