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2131000017 = 3838558233
BaseRepresentation
bin111111100000100…
…0111101011010001
312111111212000110120
41333001013223101
513331014000032
6551242420453
7103544126016
oct17701075321
95444760416
102131000017
119a3991943
124b5801729
1327c653073
1416303970d
15c713c62c
hex7f047ad1

2131000017 has 8 divisors (see below), whose sum is σ = 2875566624. Its totient is φ = 1403550048.

The previous prime is 2131000009. The next prime is 2131000019. The reversal of 2131000017 is 7100001312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2131000017 - 23 = 2131000009 is a prime.

It is a super-2 number, since 2×21310000172 = 9082322144908000578, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2131000019) 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 7 ways as a sum of consecutive naturals, for example, 4278868 + ... + 4279365.

It is an arithmetic number, because the mean of its divisors is an integer number (359445828).

Almost surely, 22131000017 is an apocalyptic number.

It is an amenable number.

2131000017 is a deficient number, since it is larger than the sum of its proper divisors (744566607).

2131000017 is an equidigital number, since it uses as much as digits as its factorization.

2131000017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8558319.

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 2131000017 is about 46162.7557344663. The cubic root of 2131000017 is about 1286.8496765628.

Adding to 2131000017 its reverse (7100001312), we get a palindrome (9231001329).

The spelling of 2131000017 in words is "two billion, one hundred thirty-one million, seventeen", and thus it is an aban number.

Divisors: 1 3 83 249 8558233 25674699 710333339 2131000017