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2111323030 = 25211132303
BaseRepresentation
bin111110111011000…
…0011101110010110
312110010211022201021
41331312003232112
513310444314110
6545300551354
7103214643505
oct17566035626
95403738637
102111323030
11993872273
124ab0b255a
1327855398b
1416059683c
15c55522da
hex7dd83b96

2111323030 has 8 divisors (see below), whose sum is σ = 3800381472. Its totient is φ = 844529208.

The previous prime is 2111323013. The next prime is 2111323061. The reversal of 2111323030 is 303231112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2111322995 and 2111323013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105566142 + ... + 105566161.

It is an arithmetic number, because the mean of its divisors is an integer number (475047684).

Almost surely, 22111323030 is an apocalyptic number.

2111323030 is a deficient number, since it is larger than the sum of its proper divisors (1689058442).

2111323030 is a wasteful number, since it uses less digits than its factorization.

2111323030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211132310.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2111323030 is about 45949.1352475757. The cubic root of 2111323030 is about 1282.8766337306.

Adding to 2111323030 its reverse (303231112), we get a palindrome (2414554142).

The spelling of 2111323030 in words is "two billion, one hundred eleven million, three hundred twenty-three thousand, thirty".

Divisors: 1 2 5 10 211132303 422264606 1055661515 2111323030