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2043105131 = 19250911119
BaseRepresentation
bin111100111000111…
…0100111101101011
312021101110111100102
41321301310331223
513141013331011
6534422500015
7101426051504
oct17161647553
95241414312
102043105131
11959309141
1249029460b
1326738a362
141554b9bab
15be57973b
hex79c74f6b

2043105131 has 12 divisors (see below), whose sum is σ = 2160727200. Its totient is φ = 1931596848.

The previous prime is 2043105121. The next prime is 2043105133. The reversal of 2043105131 is 1315013402.

It is a de Polignac number, because none of the positive numbers 2k-2043105131 is a prime.

It is a super-2 number, since 2×20431051312 = 8348557152637054322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2043105133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 178190 + ... + 189308.

It is an arithmetic number, because the mean of its divisors is an integer number (180060600).

Almost surely, 22043105131 is an apocalyptic number.

2043105131 is a deficient number, since it is larger than the sum of its proper divisors (117622069).

2043105131 is a wasteful number, since it uses less digits than its factorization.

2043105131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11666 (or 11647 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 2043105131 is about 45200.7204699217. The cubic root of 2043105131 is about 1268.9083000619.

Adding to 2043105131 its reverse (1315013402), we get a palindrome (3358118533).

The spelling of 2043105131 in words is "two billion, forty-three million, one hundred five thousand, one hundred thirty-one".

Divisors: 1 19 361 509 9671 11119 183749 211261 4013959 5659571 107531849 2043105131