Base | Representation |
---|---|
bin | 100111011001101… |
… | …110110010111110 |
3 | 1201001220011022120 |
4 | 213121232302332 |
5 | 2323212303302 |
6 | 145332423410 |
7 | 22244614005 |
oct | 4731566276 |
9 | 1631804276 |
10 | 661056702 |
11 | 30a170759 |
12 | 165477b66 |
13 | a6c55817 |
14 | 63b1bc3c |
15 | 3d07d9bc |
hex | 2766ecbe |
661056702 has 32 divisors (see below), whose sum is σ = 1395640320. Its totient is φ = 208741752.
The previous prime is 661056677. The next prime is 661056733. The reversal of 661056702 is 207650166.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33123 + ... + 49185.
It is an arithmetic number, because the mean of its divisors is an integer number (43613760).
Almost surely, 2661056702 is an apocalyptic number.
661056702 is an abundant number, since it is smaller than the sum of its proper divisors (734583618).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
661056702 is a wasteful number, since it uses less digits than its factorization.
661056702 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16125 (or 16087 counting only the distinct ones).
The product of its (nonzero) digits is 15120, while the sum is 33.
The square root of 661056702 is about 25711.0229668133. The cubic root of 661056702 is about 871.1231813859.
The spelling of 661056702 in words is "six hundred sixty-one million, fifty-six thousand, seven hundred two".
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