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1671306793 = 13478773119
BaseRepresentation
bin110001110011110…
…0001111000101001
311022110212011220121
41203213201320221
511410323304133
6433501523241
756262605362
oct14347417051
94273764817
101671306793
11788455592
123a7873521
13208341340
1411bd76b69
159bad702d
hex639e1e29

1671306793 has 16 divisors (see below), whose sum is σ = 1840849920. Its totient is φ = 1507715136.

The previous prime is 1671306787. The next prime is 1671306797. The reversal of 1671306793 is 3976031761.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1671306793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1671306797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 534288 + ... + 537406.

It is an arithmetic number, because the mean of its divisors is an integer number (115053120).

Almost surely, 21671306793 is an apocalyptic number.

1671306793 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1671306793 is a deficient number, since it is larger than the sum of its proper divisors (169543127).

1671306793 is a wasteful number, since it uses less digits than its factorization.

1671306793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4056.

The product of its (nonzero) digits is 142884, while the sum is 43.

The square root of 1671306793 is about 40881.6192560911. The cubic root of 1671306793 is about 1186.7303775901.

The spelling of 1671306793 in words is "one billion, six hundred seventy-one million, three hundred six thousand, seven hundred ninety-three".

Divisors: 1 13 47 611 877 3119 11401 40547 41219 146593 535847 1905709 2735363 35559719 128562061 1671306793