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2006872215 = 35199811829
BaseRepresentation
bin111011110011110…
…0111000010010111
312011212021200010120
41313213213002113
513102224402330
6531050123023
7100506063255
oct16747470227
95155250116
102006872215
1193a910887
12480120473
1325ca1236a
141507675d5
15bb2bdc10
hex779e7097

2006872215 has 32 divisors (see below), whose sum is σ = 3235008000. Its totient is φ = 1062357120.

The previous prime is 2006872213. The next prime is 2006872247. The reversal of 2006872215 is 5122786002.

It is not a de Polignac number, because 2006872215 - 21 = 2006872213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2006872211) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2420421 + ... + 2421249.

It is an arithmetic number, because the mean of its divisors is an integer number (101094000).

Almost surely, 22006872215 is an apocalyptic number.

2006872215 is a deficient number, since it is larger than the sum of its proper divisors (1228135785).

2006872215 is a wasteful number, since it uses less digits than its factorization.

2006872215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1847.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 2006872215 is about 44798.1273604154. The cubic root of 2006872215 is about 1261.3624749126.

The spelling of 2006872215 in words is "two billion, six million, eight hundred seventy-two thousand, two hundred fifteen".

Divisors: 1 3 5 15 199 597 811 829 995 2433 2487 2985 4055 4145 12165 12435 161389 164971 484167 494913 672319 806945 824855 2016957 2420835 2474565 3361595 10084785 133791481 401374443 668957405 2006872215