Base | Representation |
---|---|
bin | 111100110100110101… |
… | …0100010000110011101 |
3 | 110111011020220202100010 |
4 | 1321221222202012131 |
5 | 4120003133320120 |
6 | 140001245553433 |
7 | 12302633531130 |
oct | 1715152420635 |
9 | 414136822303 |
10 | 130621776285 |
11 | 5043a650930 |
12 | 21394b75879 |
13 | c4189561b0 |
14 | 6471cc0217 |
15 | 35e77337e0 |
hex | 1e69aa219d |
130621776285 has 64 divisors (see below), whose sum is σ = 280608491520. Its totient is φ = 50108647680.
The previous prime is 130621776163. The next prime is 130621776319. The reversal of 130621776285 is 582677126031.
It is not a de Polignac number, because 130621776285 - 28 = 130621776029 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4334695 + ... + 4364724.
It is an arithmetic number, because the mean of its divisors is an integer number (4384507680).
Almost surely, 2130621776285 is an apocalyptic number.
130621776285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
130621776285 is an abundant number, since it is smaller than the sum of its proper divisors (149986715235).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130621776285 is a wasteful number, since it uses less digits than its factorization.
130621776285 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8699458.
The product of its (nonzero) digits is 846720, while the sum is 48.
The spelling of 130621776285 in words is "one hundred thirty billion, six hundred twenty-one million, seven hundred seventy-six thousand, two hundred eighty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.095 sec. • engine limits •