Base | Representation |
---|---|
bin | 1110100101001101… |
… | …01000001000101101 |
3 | 202012120100021110210 |
4 | 13102212220020231 |
5 | 112013021333100 |
6 | 3332443453033 |
7 | 364664344632 |
oct | 72246501055 |
9 | 22176307423 |
10 | 7828308525 |
11 | 3357970074 |
12 | 1625827179 |
13 | 979abac2b |
14 | 543974189 |
15 | 30c3d3c50 |
hex | 1d29a822d |
7828308525 has 12 divisors (see below), whose sum is σ = 12942803552. Its totient is φ = 4175097840.
The previous prime is 7828308457. The next prime is 7828308539. The reversal of 7828308525 is 5258038287.
It is not a de Polignac number, because 7828308525 - 227 = 7694090797 is a prime.
It is a super-2 number, since 2×78283085252 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52188649 + ... + 52188798.
Almost surely, 27828308525 is an apocalyptic number.
7828308525 is a gapful number since it is divisible by the number (75) formed by its first and last digit.
It is an amenable number.
7828308525 is a deficient number, since it is larger than the sum of its proper divisors (5114495027).
7828308525 is a wasteful number, since it uses less digits than its factorization.
7828308525 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 104377460 (or 104377455 counting only the distinct ones).
The product of its (nonzero) digits is 1075200, while the sum is 48.
The square root of 7828308525 is about 88477.7289774099. The cubic root of 7828308525 is about 1985.5887849374.
The spelling of 7828308525 in words is "seven billion, eight hundred twenty-eight million, three hundred eight thousand, five hundred twenty-five".
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