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2123503393 = 11193045763
BaseRepresentation
bin111111010010010…
…0001011100100001
312110222202011000211
41332210201130201
513322104102033
6550414014121
7103423323664
oct17644413441
95428664024
102123503393
1199a731590
124b31a7341
1327ac29aab
141620476db
15c665b2cd
hex7e921721

2123503393 has 4 divisors (see below), whose sum is σ = 2316549168. Its totient is φ = 1930457620.

The previous prime is 2123503387. The next prime is 2123503411. The reversal of 2123503393 is 3933053212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2123503393 - 213 = 2123495201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123603393) 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, 96522871 + ... + 96522892.

It is an arithmetic number, because the mean of its divisors is an integer number (579137292).

Almost surely, 22123503393 is an apocalyptic number.

It is an amenable number.

2123503393 is a deficient number, since it is larger than the sum of its proper divisors (193045775).

2123503393 is a wasteful number, since it uses less digits than its factorization.

2123503393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193045774.

The product of its (nonzero) digits is 14580, while the sum is 31.

The square root of 2123503393 is about 46081.4864452092. The cubic root of 2123503393 is about 1285.3389049925.

The spelling of 2123503393 in words is "two billion, one hundred twenty-three million, five hundred three thousand, three hundred ninety-three".

Divisors: 1 11 193045763 2123503393