Base | Representation |
---|---|
bin | 10111010011111110… |
… | …00000000010010101 |
3 | 1012022020012100211210 |
4 | 23221333000002111 |
5 | 201112434304031 |
6 | 5425523252033 |
7 | 622101226065 |
oct | 135177000225 |
9 | 35266170753 |
10 | 12515541141 |
11 | 5342773334 |
12 | 251351a019 |
13 | 1245bcb65c |
14 | 86a29b3a5 |
15 | 4d3b58746 |
hex | 2e9fc0095 |
12515541141 has 16 divisors (see below), whose sum is σ = 17154849600. Its totient is φ = 8111402880.
The previous prime is 12515541131. The next prime is 12515541173. The reversal of 12515541141 is 14114551521.
It is not a de Polignac number, because 12515541141 - 29 = 12515540629 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 12515541099 and 12515541108.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12515541121) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144966 + ... + 214583.
It is an arithmetic number, because the mean of its divisors is an integer number (1072178100).
Almost surely, 212515541141 is an apocalyptic number.
It is an amenable number.
12515541141 is a deficient number, since it is larger than the sum of its proper divisors (4639308459).
12515541141 is a wasteful number, since it uses less digits than its factorization.
12515541141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 359876.
The product of its digits is 4000, while the sum is 30.
The spelling of 12515541141 in words is "twelve billion, five hundred fifteen million, five hundred forty-one thousand, one hundred forty-one".
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