Base | Representation |
---|---|
bin | 1011111100010101001111… |
… | …0100100001001010001111 |
3 | 1201111022201102100201111001 |
4 | 2333011103310201022033 |
5 | 3210120014023100421 |
6 | 43532204233041131 |
7 | 2523456266304313 |
oct | 277052364411217 |
9 | 51438642321431 |
10 | 13131121300111 |
11 | 4202971712231 |
12 | 1580a95b561a7 |
13 | 74334ac5aa29 |
14 | 33579a3b5b43 |
15 | 17b885b8c691 |
hex | bf153d2128f |
13131121300111 has 4 divisors (see below), whose sum is σ = 13132496152224. Its totient is φ = 13129746448000.
The previous prime is 13131121300097. The next prime is 13131121300123. The reversal of 13131121300111 is 11100312113131.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 13131121300111 - 25 = 13131121300079 is a prime.
It is a super-2 number, since 2×131311213001112 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13131121300811) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 687411730 + ... + 687430831.
It is an arithmetic number, because the mean of its divisors is an integer number (3283124038056).
Almost surely, 213131121300111 is an apocalyptic number.
13131121300111 is a deficient number, since it is larger than the sum of its proper divisors (1374852113).
13131121300111 is an equidigital number, since it uses as much as digits as its factorization.
13131121300111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1374852112.
The product of its (nonzero) digits is 54, while the sum is 19.
Adding to 13131121300111 its reverse (11100312113131), we get a palindrome (24231433413242).
The spelling of 13131121300111 in words is "thirteen trillion, one hundred thirty-one billion, one hundred twenty-one million, three hundred thousand, one hundred eleven".
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