Base | Representation |
---|---|
bin | 1101100100100011… |
… | …00111100001110101 |
3 | 200210202202121011000 |
4 | 12302101213201311 |
5 | 104410144230401 |
6 | 3202550433513 |
7 | 345360245502 |
oct | 66221474165 |
9 | 20722677130 |
10 | 7285930101 |
11 | 30a979913a |
12 | 14b4062899 |
13 | 8c1618858 |
14 | 4d190a4a9 |
15 | 2c9999186 |
hex | 1b2467875 |
7285930101 has 32 divisors (see below), whose sum is σ = 11173795200. Its totient is φ = 4686595200.
The previous prime is 7285930081. The next prime is 7285930103. The reversal of 7285930101 is 1010395827.
It is a de Polignac number, because none of the positive numbers 2k-7285930101 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7285930103) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1796526 + ... + 1800576.
It is an arithmetic number, because the mean of its divisors is an integer number (349181100).
Almost surely, 27285930101 is an apocalyptic number.
It is an amenable number.
7285930101 is a deficient number, since it is larger than the sum of its proper divisors (3887865099).
7285930101 is a wasteful number, since it uses less digits than its factorization.
7285930101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6386 (or 6380 counting only the distinct ones).
The product of its (nonzero) digits is 15120, while the sum is 36.
The square root of 7285930101 is about 85357.6598847461. The cubic root of 7285930101 is about 1938.6303171670.
The spelling of 7285930101 in words is "seven billion, two hundred eighty-five million, nine hundred thirty thousand, one hundred one".
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