Base | Representation |
---|---|
bin | 1000010100000011111… |
… | …10000000010101110101 |
3 | 1000022022022210000021121 |
4 | 10022001332000111311 |
5 | 14140001434403400 |
6 | 335120335343541 |
7 | 26431426653634 |
oct | 4120176002565 |
9 | 1008268700247 |
10 | 285648356725 |
11 | 100163061296 |
12 | 4743b081bb1 |
13 | 20c2370c8b4 |
14 | db7b09151b |
15 | 766c76a21a |
hex | 4281f80575 |
285648356725 has 12 divisors (see below), whose sum is σ = 354268173600. Its totient is φ = 228477258800.
The previous prime is 285648356713. The next prime is 285648356759. The reversal of 285648356725 is 527653846582.
It is not a de Polignac number, because 285648356725 - 237 = 148209403253 is a prime.
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, 894625 + ... + 1171174.
It is an arithmetic number, because the mean of its divisors is an integer number (29522347800).
Almost surely, 2285648356725 is an apocalyptic number.
285648356725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
285648356725 is a deficient number, since it is larger than the sum of its proper divisors (68619816875).
285648356725 is a wasteful number, since it uses less digits than its factorization.
285648356725 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2071340 (or 2071335 counting only the distinct ones).
The product of its digits is 96768000, while the sum is 61.
The spelling of 285648356725 in words is "two hundred eighty-five billion, six hundred forty-eight million, three hundred fifty-six thousand, seven hundred twenty-five".
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