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1681135082 = 211239319729
BaseRepresentation
bin110010000110100…
…0001010111101010
311100011100111210022
41210031001113222
511420332310312
6434452320442
756442261314
oct14415012752
94304314708
101681135082
11792a58740
123ab013122
1320a3a29b3
1411d3b47b4
159c8c9172
hex643415ea

1681135082 has 16 divisors (see below), whose sum is σ = 2762467200. Its totient is φ = 760952640.

The previous prime is 1681135073. The next prime is 1681135091. The reversal of 1681135082 is 2805311861.

It is an interprime number because it is at equal distance from previous prime (1681135073) and next prime (1681135091).

It is a super-2 number, since 2×16811350822 = 5652430327862293448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154607 + ... + 165122.

It is an arithmetic number, because the mean of its divisors is an integer number (172654200).

Almost surely, 21681135082 is an apocalyptic number.

1681135082 is a deficient number, since it is larger than the sum of its proper divisors (1081332118).

1681135082 is a wasteful number, since it uses less digits than its factorization.

1681135082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319981.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 1681135082 is about 41001.6473083704. The cubic root of 1681135082 is about 1189.0520619773.

The spelling of 1681135082 in words is "one billion, six hundred eighty-one million, one hundred thirty-five thousand, eighty-two".

Divisors: 1 2 11 22 239 478 2629 5258 319729 639458 3517019 7034038 76415231 152830462 840567541 1681135082