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1883681137 = 13373916177
BaseRepresentation
bin111000001000110…
…1011000101110001
311212021110220202001
41300101223011301
512324210244022
6510525454001
764452011512
oct16021530561
94767426661
101883681137
1188731a578
12446a11301
1324033bb30
1413c25aa09
15b0587b27
hex7046b171

1883681137 has 8 divisors (see below), whose sum is σ = 2083406696. Its totient is φ = 1691788032.

The previous prime is 1883681131. The next prime is 1883681153. The reversal of 1883681137 is 7311863881.

It can be written as a sum of positive squares in 4 ways, for example, as 264745441 + 1618935696 = 16271^2 + 40236^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1883681137 - 211 = 1883679089 is a prime.

It is a super-2 number, since 2×18836811372 = 7096509251779225538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1883681131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1957608 + ... + 1958569.

It is an arithmetic number, because the mean of its divisors is an integer number (260425837).

Almost surely, 21883681137 is an apocalyptic number.

It is an amenable number.

1883681137 is a deficient number, since it is larger than the sum of its proper divisors (199725559).

1883681137 is a wasteful number, since it uses less digits than its factorization.

1883681137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3916227.

The product of its digits is 193536, while the sum is 46.

The square root of 1883681137 is about 43401.3955651198. The cubic root of 1883681137 is about 1235.0061765442.

The spelling of 1883681137 in words is "one billion, eight hundred eighty-three million, six hundred eighty-one thousand, one hundred thirty-seven".

Divisors: 1 13 37 481 3916177 50910301 144898549 1883681137