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2111403319 = 2972807011
BaseRepresentation
bin111110111011001…
…0111010100110111
312110010222101211221
41331312113110313
513311004401234
6545302411211
7103215426544
oct17566272467
95403871757
102111403319
11993917623
124ab130b07
1327858139c
141605b7bcb
15c556aeb4
hex7dd97537

2111403319 has 4 divisors (see below), whose sum is σ = 2184210360. Its totient is φ = 2038596280.

The previous prime is 2111403317. The next prime is 2111403341. The reversal of 2111403319 is 9133041112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2111403319 - 21 = 2111403317 is a prime.

It is a super-2 number, since 2×21114033192 = 8916047950968431522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2111403293 and 2111403302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111403313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36403477 + ... + 36403534.

It is an arithmetic number, because the mean of its divisors is an integer number (546052590).

Almost surely, 22111403319 is an apocalyptic number.

2111403319 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2111403319 is a deficient number, since it is larger than the sum of its proper divisors (72807041).

2111403319 is an equidigital number, since it uses as much as digits as its factorization.

2111403319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72807040.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 2111403319 is about 45950.0089118599. The cubic root of 2111403319 is about 1282.8928951893.

The spelling of 2111403319 in words is "two billion, one hundred eleven million, four hundred three thousand, three hundred nineteen".

Divisors: 1 29 72807011 2111403319