Base | Representation |
---|---|
bin | 1110001100010100001001… |
… | …0010101110011001010000 |
3 | 2001020210112100111121010120 |
4 | 3203011002102232121100 |
5 | 4021131440432004443 |
6 | 53104414021430240 |
7 | 3200255500540623 |
oct | 343050222563120 |
9 | 61223470447116 |
10 | 15604728391248 |
11 | 4a76a233a9437 |
12 | 1900373b6b380 |
13 | 89269a66b719 |
14 | 3bd3b6b17dba |
15 | 1c0dac687083 |
hex | e31424ae650 |
15604728391248 has 40 divisors (see below), whose sum is σ = 40320357861696. Its totient is φ = 5200525440000.
The previous prime is 15604728391243. The next prime is 15604728391267. The reversal of 15604728391248 is 84219382740651.
It is a junction number, because it is equal to n+sod(n) for n = 15604728391191 and 15604728391200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15604728391243) 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, 32593953 + ... + 33069248.
It is a 2-persistent number, because it is pandigital, and so is 2⋅15604728391248 = 31209456782496, but 3⋅15604728391248 = 46814185173744 is not.
Almost surely, 215604728391248 is an apocalyptic number.
It is an amenable number.
15604728391248 is an abundant number, since it is smaller than the sum of its proper divisors (24715629470448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15604728391248 is a wasteful number, since it uses less digits than its factorization.
15604728391248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65668163 (or 65668157 counting only the distinct ones).
The product of its (nonzero) digits is 23224320, while the sum is 60.
The spelling of 15604728391248 in words is "fifteen trillion, six hundred four billion, seven hundred twenty-eight million, three hundred ninety-one thousand, two hundred forty-eight".
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