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2006173023 = 31171757073
BaseRepresentation
bin111011110010011…
…1100010101011111
312011210222011000120
41313210330111133
513102040014043
6531023130023
7100500121641
oct16744742537
95153864016
102006173023
1193a483538
1247ba43913
1325c82903a
14150624891
15bb1d1983
hex7793c55f

2006173023 has 8 divisors (see below), whose sum is σ = 2675172528. Its totient is φ = 1337311104.

The previous prime is 2006173021. The next prime is 2006173033. The reversal of 2006173023 is 3203716002.

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

It is not a de Polignac number, because 2006173023 - 21 = 2006173021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2006172984 and 2006173002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2006173021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6615 + ... + 63687.

It is an arithmetic number, because the mean of its divisors is an integer number (334396566).

Almost surely, 22006173023 is an apocalyptic number.

2006173023 is a deficient number, since it is larger than the sum of its proper divisors (668999505).

2006173023 is a wasteful number, since it uses less digits than its factorization.

2006173023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68793.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 2006173023 is about 44790.3228722455. The cubic root of 2006173023 is about 1261.2159721463.

Adding to 2006173023 its reverse (3203716002), we get a palindrome (5209889025).

The spelling of 2006173023 in words is "two billion, six million, one hundred seventy-three thousand, twenty-three".

Divisors: 1 3 11717 35151 57073 171219 668724341 2006173023