Base | Representation |
---|---|
bin | 11101110011111110100010… |
… | …111111111011000111101101 |
3 | 122012020111020211000200020222 |
4 | 131303332202333323013231 |
5 | 114141142413013424323 |
6 | 1142505254132221125 |
7 | 36421521626353550 |
oct | 3563764277730755 |
9 | 565214224020228 |
10 | 131115201311213 |
11 | 3886070aa79339 |
12 | 1285700776a7a5 |
13 | 5821158802562 |
14 | 245401c4d0697 |
15 | 10259198769c8 |
hex | 773fa2ffb1ed |
131115201311213 has 8 divisors (see below), whose sum is σ = 151742728462080. Its totient is φ = 110961870186960.
The previous prime is 131115201311201. The next prime is 131115201311249. The reversal of 131115201311213 is 312113102511131.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 131115201311213 - 210 = 131115201310189 is a prime.
It is a super-2 number, since 2×1311152013112132 (a number of 29 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131115201611213) 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, 118549006058 + ... + 118549007163.
It is an arithmetic number, because the mean of its divisors is an integer number (18967841057760).
Almost surely, 2131115201311213 is an apocalyptic number.
It is an amenable number.
131115201311213 is a deficient number, since it is larger than the sum of its proper divisors (20627527150867).
131115201311213 is an equidigital number, since it uses as much as digits as its factorization.
131115201311213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 237098013307.
The product of its (nonzero) digits is 540, while the sum is 26.
Adding to 131115201311213 its reverse (312113102511131), we get a palindrome (443228303822344).
The spelling of 131115201311213 in words is "one hundred thirty-one trillion, one hundred fifteen billion, two hundred one million, three hundred eleven thousand, two hundred thirteen".
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