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2132686487 = 25749116901
BaseRepresentation
bin111111100011110…
…0011011010010111
312111122000200212102
41333013203122113
513331431431422
6551342512315
7103564351601
oct17707433227
95448020772
102132686487
119a4933a18
124b629569b
1327cac3889
14163358171
15c7372192
hex7f1e3697

2132686487 has 8 divisors (see below), whose sum is σ = 2145472272. Its totient is φ = 2119936000.

The previous prime is 2132686469. The next prime is 2132686537. The reversal of 2132686487 is 7846862312.

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 2132686487 - 210 = 2132685463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2132686417) 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, 117737 + ... + 134637.

It is an arithmetic number, because the mean of its divisors is an integer number (268184034).

Almost surely, 22132686487 is an apocalyptic number.

2132686487 is a deficient number, since it is larger than the sum of its proper divisors (12785785).

2132686487 is a wasteful number, since it uses less digits than its factorization.

2132686487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17649.

The product of its digits is 774144, while the sum is 47.

The square root of 2132686487 is about 46181.0186873352. The cubic root of 2132686487 is about 1287.1890573076.

The spelling of 2132686487 in words is "two billion, one hundred thirty-two million, six hundred eighty-six thousand, four hundred eighty-seven".

Divisors: 1 257 491 16901 126187 4343557 8298391 2132686487