Base | Representation |
---|---|
bin | 101000110111111000110… |
… | …101000000111001000000 |
3 | 100221111222021201001000000 |
4 | 220313320311000321000 |
5 | 332004344300304021 |
6 | 5550201201000000 |
7 | 406633251356112 |
oct | 50677065007100 |
9 | 10844867631000 |
10 | 2808788291136 |
11 | 993222846803 |
12 | 394441623000 |
13 | 174b381673c9 |
14 | 99d3607b3b2 |
15 | 4d0e2accb26 |
hex | 28df8d40e40 |
2808788291136 has 147 divisors (see below), whose sum is σ = 8357788239051. Its totient is φ = 936142095744.
The previous prime is 2808788291059. The next prime is 2808788291201. The reversal of 2808788291136 is 6311928878082.
The square root of 2808788291136 is 1675944.
It is a perfect power (a square), and thus also a powerful number.
It is an unprimeable number.
It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 362000025 + ... + 362007783.
Almost surely, 22808788291136 is an apocalyptic number.
2808788291136 is the 1675944-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2808788291136
2808788291136 is an abundant number, since it is smaller than the sum of its proper divisors (5548999947915).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2808788291136 is an frugal number, since it uses more digits than its factorization.
2808788291136 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15548 (or 7764 counting only the distinct ones).
The product of its (nonzero) digits is 18579456, while the sum is 63.
The spelling of 2808788291136 in words is "two trillion, eight hundred eight billion, seven hundred eighty-eight million, two hundred ninety-one thousand, one hundred thirty-six".
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