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2123110017 = 327194917291
BaseRepresentation
bin111111010001100…
…0001011010000001
312110222000011102100
41332203001122001
513322004010032
6550401341013
7103420065060
oct17643013201
95428004370
102123110017
1199a492a86
124b3037769
1327ab1ca22
14161d841d7
15c65ce97c
hex7e8c1681

2123110017 has 24 divisors (see below), whose sum is σ = 3506817600. Its totient is φ = 1212513120.

The previous prime is 2123110009. The next prime is 2123110019. The reversal of 2123110017 is 7100113212.

It is a happy number.

It is not a de Polignac number, because 2123110017 - 23 = 2123110009 is a prime.

It is a super-2 number, since 2×21231100172 = 9015192288571480578, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2123110019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114142 + ... + 131432.

It is an arithmetic number, because the mean of its divisors is an integer number (146117400).

Almost surely, 22123110017 is an apocalyptic number.

It is an amenable number.

2123110017 is a deficient number, since it is larger than the sum of its proper divisors (1383707583).

2123110017 is a wasteful number, since it uses less digits than its factorization.

2123110017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19253 (or 19250 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 2123110017 is about 46077.2179824260. The cubic root of 2123110017 is about 1285.2595310197.

Adding to 2123110017 its reverse (7100113212), we get a palindrome (9223223229).

The spelling of 2123110017 in words is "two billion, one hundred twenty-three million, one hundred ten thousand, seventeen".

Divisors: 1 3 7 9 21 63 1949 5847 13643 17291 17541 40929 51873 121037 122787 155619 363111 1089333 33700159 101100477 235901113 303301431 707703339 2123110017