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2134463687 = 232472932
BaseRepresentation
bin111111100111001…
…0101010011000111
312111202100222201122
41333032111103013
513332410314222
6551444544155
7103615433126
oct17716252307
95452328648
102134463687
119a5938184
124b69b205b
13280296785
1416369babd
15c75c3a42
hex7f3954c7

2134463687 has 18 divisors (see below), whose sum is σ = 2286579792. Its totient is φ = 1991401456.

The previous prime is 2134463663. The next prime is 2134463693. The reversal of 2134463687 is 7863644312.

It is not a de Polignac number, because 2134463687 - 26 = 2134463623 is a prime.

It is a super-2 number, since 2×21344636872 = 9111870462243267938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2134463657) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 7284713 + ... + 7285005.

Almost surely, 22134463687 is an apocalyptic number.

2134463687 is a deficient number, since it is larger than the sum of its proper divisors (152116105).

2134463687 is an frugal number, since it uses more digits than its factorization.

2134463687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679 (or 363 counting only the distinct ones).

The product of its digits is 580608, while the sum is 44.

The square root of 2134463687 is about 46200.2563521026. The cubic root of 2134463687 is about 1287.5465027600.

The spelling of 2134463687 in words is "two billion, one hundred thirty-four million, four hundred sixty-three thousand, six hundred eighty-seven".

Divisors: 1 23 47 293 529 1081 6739 13771 24863 85849 154997 316733 1974527 4034903 7284859 45414121 92802769 2134463687