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2153106687 = 3717702229
BaseRepresentation
bin1000000001010101…
…1100110011111111
312120001110011010010
42000111130303333
513402143403222
6553352314303
7104233050654
oct20025346377
95501404103
102153106687
11a05410a16
125010a2993
132840c3334
14165d51c2b
15c905780c
hex8055ccff

2153106687 has 4 divisors (see below), whose sum is σ = 2870808920. Its totient is φ = 1435404456.

The previous prime is 2153106673. The next prime is 2153106721. The reversal of 2153106687 is 7866013512.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2153106687 - 24 = 2153106671 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 (2153106607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358851112 + ... + 358851117.

It is an arithmetic number, because the mean of its divisors is an integer number (717702230).

Almost surely, 22153106687 is an apocalyptic number.

2153106687 is a deficient number, since it is larger than the sum of its proper divisors (717702233).

2153106687 is an equidigital number, since it uses as much as digits as its factorization.

2153106687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717702232.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 2153106687 is about 46401.5806519562. The cubic root of 2153106687 is about 1291.2842381700.

The spelling of 2153106687 in words is "two billion, one hundred fifty-three million, one hundred six thousand, six hundred eighty-seven".

Divisors: 1 3 717702229 2153106687