Base | Representation |
---|---|
bin | 11111000000110110… |
… | …001111010101010101 |
3 | 10011221202020012102221 |
4 | 133000312033111111 |
5 | 1021144323341000 |
6 | 23144203102341 |
7 | 2256132105202 |
oct | 370066172525 |
9 | 104852205387 |
10 | 33300215125 |
11 | 13139115551 |
12 | 65542119b1 |
13 | 31a9021308 |
14 | 187c87cca9 |
15 | ced72061a |
hex | 7c0d8f555 |
33300215125 has 16 divisors (see below), whose sum is σ = 41769657072. Its totient is φ = 26504923200.
The previous prime is 33300215107. The next prime is 33300215153. The reversal of 33300215125 is 52151200333.
It can be written as a sum of positive squares in 8 ways, for example, as 1687730724 + 31612484401 = 41082^2 + 177799^2 .
It is not a de Polignac number, because 33300215125 - 25 = 33300215093 is a prime.
It is a super-2 number, since 2×333002151252 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 33300215125.
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 15 ways as a sum of consecutive naturals, for example, 651522 + ... + 700771.
It is an arithmetic number, because the mean of its divisors is an integer number (2610603567).
Almost surely, 233300215125 is an apocalyptic number.
It is an amenable number.
33300215125 is a deficient number, since it is larger than the sum of its proper divisors (8469441947).
33300215125 is a wasteful number, since it uses less digits than its factorization.
33300215125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1352505 (or 1352495 counting only the distinct ones).
The product of its (nonzero) digits is 2700, while the sum is 25.
Adding to 33300215125 its reverse (52151200333), we get a palindrome (85451415458).
The spelling of 33300215125 in words is "thirty-three billion, three hundred million, two hundred fifteen thousand, one hundred twenty-five".
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