Base | Representation |
---|---|
bin | 1101001001110110010… |
… | …0001010111100111100 |
3 | 210121022001122002200100 |
4 | 3102131210022330330 |
5 | 12200302320214343 |
6 | 251451542201100 |
7 | 22220016433506 |
oct | 3223544127474 |
9 | 717261562610 |
10 | 225981804348 |
11 | 87924923383 |
12 | 37968a23190 |
13 | 184050917c1 |
14 | ad1a9dad76 |
15 | 5d294319d3 |
hex | 349d90af3c |
225981804348 has 36 divisors (see below), whose sum is σ = 590929433640. Its totient is φ = 72729775776.
The previous prime is 225981804329. The next prime is 225981804383. The reversal of 225981804348 is 843408189522.
225981804348 is a `hidden beast` number, since 2 + 2 + 59 + 81 + 80 + 434 + 8 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is a junction number, because it is equal to n+sod(n) for n = 225981804294 and 225981804303.
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, 108227790 + ... + 108229877.
It is an arithmetic number, because the mean of its divisors is an integer number (16414706490).
Almost surely, 2225981804348 is an apocalyptic number.
It is an amenable number.
225981804348 is an abundant number, since it is smaller than the sum of its proper divisors (364947629292).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
225981804348 is a wasteful number, since it uses less digits than its factorization.
225981804348 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 216457706 (or 216457701 counting only the distinct ones).
The product of its (nonzero) digits is 4423680, while the sum is 54.
The spelling of 225981804348 in words is "two hundred twenty-five billion, nine hundred eighty-one million, eight hundred four thousand, three hundred forty-eight".
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