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6161666056 = 237138463827
BaseRepresentation
bin1011011110100001…
…11001000000001000
3120220102021001210221
411233100321000020
5100104341303211
62455225515424
7305456203660
oct55720710010
916812231727
106161666056
1126821109a7
12123b642b74
13772720960
144264931a0
15260e1dc71
hex16f439008

6161666056 has 32 divisors (see below), whose sum is σ = 14219231040. Its totient is φ = 2437581888.

The previous prime is 6161666053. The next prime is 6161666057. The reversal of 6161666056 is 6506661616.

It is a super-2 number, since 2×61616660562 = 75932257171325190272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6161666053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4231186 + ... + 4232641.

It is an arithmetic number, because the mean of its divisors is an integer number (444350970).

Almost surely, 26161666056 is an apocalyptic number.

It is an amenable number.

6161666056 is an abundant number, since it is smaller than the sum of its proper divisors (8057564984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6161666056 is a wasteful number, since it uses less digits than its factorization.

6161666056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8463853 (or 8463849 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 6161666056 is about 78496.2805233471. The cubic root of 6161666056 is about 1833.2965410872.

The spelling of 6161666056 in words is "six billion, one hundred sixty-one million, six hundred sixty-six thousand, fifty-six".

Divisors: 1 2 4 7 8 13 14 26 28 52 56 91 104 182 364 728 8463827 16927654 33855308 59246789 67710616 110029751 118493578 220059502 236987156 440119004 473974312 770208257 880238008 1540416514 3080833028 6161666056