Base | Representation |
---|---|
bin | 111110111101101001… |
… | …0101000111100010101 |
3 | 110221000012010011021122 |
4 | 1331323102220330111 |
5 | 4203403343020122 |
6 | 142041000253325 |
7 | 12524456014001 |
oct | 1757322507425 |
9 | 427005104248 |
10 | 135212470037 |
11 | 52385a07007 |
12 | 22256471245 |
13 | c99aa65628 |
14 | 6789877701 |
15 | 37b5789142 |
hex | 1f7b4a8f15 |
135212470037 has 4 divisors (see below), whose sum is σ = 136185221760. Its totient is φ = 134239718316.
The previous prime is 135212469941. The next prime is 135212470103. The reversal of 135212470037 is 730074212531.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 730074212531 = 4211 ⋅173373121.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-135212470037 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 135212469979 and 135212470006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (135212440037) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 486375653 + ... + 486375930.
It is an arithmetic number, because the mean of its divisors is an integer number (34046305440).
Almost surely, 2135212470037 is an apocalyptic number.
It is an amenable number.
135212470037 is a deficient number, since it is larger than the sum of its proper divisors (972751723).
135212470037 is an equidigital number, since it uses as much as digits as its factorization.
135212470037 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 972751722.
The product of its (nonzero) digits is 35280, while the sum is 35.
Adding to 135212470037 its reverse (730074212531), we get a palindrome (865286682568).
The spelling of 135212470037 in words is "one hundred thirty-five billion, two hundred twelve million, four hundred seventy thousand, thirty-seven".
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