Base | Representation |
---|---|
bin | 1101000111000101011111… |
… | …11101110110000000001010 |
3 | 10210002012021010021120022111 |
4 | 12203202233331312000022 |
5 | 12234330410303344110 |
6 | 141152401340412534 |
7 | 6033645265430032 |
oct | 643425775660012 |
9 | 123065233246274 |
10 | 28830772715530 |
11 | 9206075643675 |
12 | 329771b54714a |
13 | 1311965338576 |
14 | 7195b9b728c2 |
15 | 34ee4b99ee8a |
hex | 1a38aff7600a |
28830772715530 has 64 divisors (see below), whose sum is σ = 53863833600000. Its totient is φ = 11105203007808.
The previous prime is 28830772715527. The next prime is 28830772715557. The reversal of 28830772715530 is 3551727703882.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3484221 + ... + 8354719.
It is an arithmetic number, because the mean of its divisors is an integer number (841622400000).
Almost surely, 228830772715530 is an apocalyptic number.
28830772715530 is a deficient number, since it is larger than the sum of its proper divisors (25033060884470).
28830772715530 is a wasteful number, since it uses less digits than its factorization.
28830772715530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4870771.
The product of its (nonzero) digits is 19756800, while the sum is 58.
The spelling of 28830772715530 in words is "twenty-eight trillion, eight hundred thirty billion, seven hundred seventy-two million, seven hundred fifteen thousand, five hundred thirty".
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