Base | Representation |
---|---|
bin | 100000100010110101… |
… | …0110011001110010000 |
3 | 20200101122012201212211 |
4 | 1001011222303032100 |
5 | 2121112402340441 |
6 | 52034541201504 |
7 | 5022616646044 |
oct | 1010552631620 |
9 | 220348181784 |
10 | 69888324496 |
11 | 27704156671 |
12 | 11665560294 |
13 | 678a276783 |
14 | 354dc66024 |
15 | 1c40901a81 |
hex | 1045ab3390 |
69888324496 has 135 divisors (see below), whose sum is σ = 146336212659. Its totient is φ = 32332774656.
The previous prime is 69888324479. The next prime is 69888324523. The reversal of 69888324496 is 69442388896.
The square root of 69888324496 is 264364.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 4385088400 + 65503236096 = 66220^2 + 255936^2 .
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1318647606 + ... + 1318647658.
Almost surely, 269888324496 is an apocalyptic number.
69888324496 is the 264364-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 69888324496
69888324496 is an abundant number, since it is smaller than the sum of its proper divisors (76447888163).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69888324496 is an equidigital number, since it uses as much as digits as its factorization.
69888324496 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 258 (or 127 counting only the distinct ones).
The product of its digits is 143327232, while the sum is 67.
It can be divided in two parts, 69888 and 324496, that added together give a square (394384 = 6282).
The spelling of 69888324496 in words is "sixty-nine billion, eight hundred eighty-eight million, three hundred twenty-four thousand, four hundred ninety-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •