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2123361019 = 13175992857
BaseRepresentation
bin111111010001111…
…1110101011111011
312110222110220201201
41332203332223323
513322040023034
6550410555031
7103422161623
oct17643765373
95428426651
102123361019
1199a64461a
124b3138a77
1327abaa050
1416200b883
15c662e014
hex7e8feafb

2123361019 has 8 divisors (see below), whose sum is σ = 2288021120. Its totient is φ = 1958890176.

The previous prime is 2123360983. The next prime is 2123361041. The reversal of 2123361019 is 9101633212.

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 2123361019 - 29 = 2123360507 is a prime.

It is a super-2 number, since 2×21233610192 = 9017324034017436722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123365019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23562 + ... + 69295.

It is an arithmetic number, because the mean of its divisors is an integer number (286002640).

Almost surely, 22123361019 is an apocalyptic number.

2123361019 is a deficient number, since it is larger than the sum of its proper divisors (164660101).

2123361019 is a wasteful number, since it uses less digits than its factorization.

2123361019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94629.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 2123361019 is about 46079.9416123762. The cubic root of 2123361019 is about 1285.3101784187.

The spelling of 2123361019 in words is "two billion, one hundred twenty-three million, three hundred sixty-one thousand, nineteen".

Divisors: 1 13 1759 22867 92857 1207141 163335463 2123361019