Base | Representation |
---|---|
bin | 11101110010100110110100… |
… | …111101010011000000101101 |
3 | 122011220111010200201120200220 |
4 | 131302212310331103000231 |
5 | 114133122013403111023 |
6 | 1142354120025041553 |
7 | 36411645564633240 |
oct | 3562466475230055 |
9 | 564814120646626 |
10 | 131021013332013 |
11 | 38824777351512 |
12 | 128409003262b9 |
13 | 58152c8152b9c |
14 | 244d645309257 |
15 | 10232559e23e3 |
hex | 7729b4f5302d |
131021013332013 has 8 divisors (see below), whose sum is σ = 199651067934528. Its totient is φ = 74869150475424.
The previous prime is 131021013331997. The next prime is 131021013332051. The reversal of 131021013332013 is 310233310120131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 131021013332013 - 24 = 131021013331997 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131021013332413) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3119547936456 + ... + 3119547936497.
It is an arithmetic number, because the mean of its divisors is an integer number (24956383491816).
Almost surely, 2131021013332013 is an apocalyptic number.
It is an amenable number.
131021013332013 is a deficient number, since it is larger than the sum of its proper divisors (68630054602515).
131021013332013 is an equidigital number, since it uses as much as digits as its factorization.
131021013332013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6239095872963.
The product of its (nonzero) digits is 972, while the sum is 24.
Adding to 131021013332013 its reverse (310233310120131), we get a palindrome (441254323452144).
The spelling of 131021013332013 in words is "one hundred thirty-one trillion, twenty-one billion, thirteen million, three hundred thirty-two thousand, thirteen".
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