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2111424403 = 112312765713
BaseRepresentation
bin111110111011001…
…1100011110010011
312110011000110202211
41331312130132103
513311011040103
6545303052551
7103215545164
oct17566343623
95404013684
102111424403
11993931450
124ab141157
1327858ab6a
141605c176b
15c557236d
hex7dd9c793

2111424403 has 16 divisors (see below), whose sum is σ = 2422480896. Its totient is φ = 1821536640.

The previous prime is 2111424401. The next prime is 2111424407. The reversal of 2111424403 is 3044241112.

It is a happy number.

It is not a de Polignac number, because 2111424403 - 21 = 2111424401 is a prime.

It is a super-2 number, since 2×21114244032 = 8916226019167812818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2111424401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 726 + ... + 64987.

It is an arithmetic number, because the mean of its divisors is an integer number (151405056).

Almost surely, 22111424403 is an apocalyptic number.

2111424403 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2111424403 is a deficient number, since it is larger than the sum of its proper divisors (311056493).

2111424403 is a wasteful number, since it uses less digits than its factorization.

2111424403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65874.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 2111424403 is about 45950.2383345288. The cubic root of 2111424403 is about 1282.8971654020.

Adding to 2111424403 its reverse (3044241112), we get a palindrome (5155665515).

The spelling of 2111424403 in words is "two billion, one hundred eleven million, four hundred twenty-four thousand, four hundred three".

Divisors: 1 11 23 127 253 1397 2921 32131 65713 722843 1511399 8345551 16625389 91801061 191947673 2111424403