Base | Representation |
---|---|
bin | 1011111101101011100110… |
… | …1111101010100001010010 |
3 | 1201120112120012201122001200 |
4 | 2333122321233222201102 |
5 | 3211010004332441432 |
6 | 43551001012412030 |
7 | 2525236653221361 |
oct | 277327157524122 |
9 | 51515505648050 |
10 | 13154306140242 |
11 | 421178997a833 |
12 | 1585486617016 |
13 | 7455a43c6b47 |
14 | 33695965b7d8 |
15 | 17c29130ea7c |
hex | bf6b9bea852 |
13154306140242 has 96 divisors (see below), whose sum is σ = 30058280728320. Its totient is φ = 4146072376320.
The previous prime is 13154306140231. The next prime is 13154306140301. The reversal of 13154306140242 is 24204160345131.
13154306140242 is a `hidden beast` number, since 1 + 3 + 1 + 5 + 4 + 30 + 614 + 0 + 2 + 4 + 2 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 13154306140197 and 13154306140206.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 614762688 + ... + 614784084.
It is an arithmetic number, because the mean of its divisors is an integer number (313107090920).
Almost surely, 213154306140242 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13154306140242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15029140364160).
13154306140242 is an abundant number, since it is smaller than the sum of its proper divisors (16903974588078).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13154306140242 is a wasteful number, since it uses less digits than its factorization.
13154306140242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24768 (or 24765 counting only the distinct ones).
The product of its (nonzero) digits is 69120, while the sum is 36.
Adding to 13154306140242 its reverse (24204160345131), we get a palindrome (37358466485373).
The spelling of 13154306140242 in words is "thirteen trillion, one hundred fifty-four billion, three hundred six million, one hundred forty thousand, two hundred forty-two".
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