Base | Representation |
---|---|
bin | 11101110100000011111100… |
… | …110011100111000011001101 |
3 | 122012021001020010221000002221 |
4 | 131310003330303213003031 |
5 | 114141241303232000023 |
6 | 1142512053542415341 |
7 | 36422115455040265 |
oct | 3564037463470315 |
9 | 565231203830087 |
10 | 131121003000013 |
11 | 3886311796aa74 |
12 | 12858166731551 |
13 | 5821871785900 |
14 | 245440cc3a7a5 |
15 | 1025b58d8a85d |
hex | 7740fcce70cd |
131121003000013 has 24 divisors (see below), whose sum is σ = 143636932254816. Its totient is φ = 119632308120000.
The previous prime is 131121002999993. The next prime is 131121003000059. The reversal of 131121003000013 is 310000300121131.
It is not a de Polignac number, because 131121003000013 - 233 = 131112413065421 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131121003001013) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6241170 + ... + 17354947.
It is an arithmetic number, because the mean of its divisors is an integer number (5984872177284).
Almost surely, 2131121003000013 is an apocalyptic number.
131121003000013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
131121003000013 is a deficient number, since it is larger than the sum of its proper divisors (12515929254803).
131121003000013 is a wasteful number, since it uses less digits than its factorization.
131121003000013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23596525 (or 23596512 counting only the distinct ones).
The product of its (nonzero) digits is 54, while the sum is 16.
Adding to 131121003000013 its reverse (310000300121131), we get a palindrome (441121303121144).
The spelling of 131121003000013 in words is "one hundred thirty-one trillion, one hundred twenty-one billion, three million, thirteen", and thus it is an aban number.
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