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2047470205 = 511199187069
BaseRepresentation
bin111101000001001…
…1110101001111101
312021200200021002211
41322002132221331
513143123021310
6535100220421
7101511131614
oct17202365175
95250607084
102047470205
1196081a740
1249183a711
13268258141
14155cd487b
15beb3cc8a
hex7a09ea7d

2047470205 has 16 divisors (see below), whose sum is σ = 2693808000. Its totient is φ = 1481578560.

The previous prime is 2047470203. The next prime is 2047470287. The reversal of 2047470205 is 5020747402.

It is not a de Polignac number, because 2047470205 - 21 = 2047470203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2047470203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82590 + ... + 104479.

It is an arithmetic number, because the mean of its divisors is an integer number (168363000).

Almost surely, 22047470205 is an apocalyptic number.

It is an amenable number.

2047470205 is a deficient number, since it is larger than the sum of its proper divisors (646337795).

2047470205 is a wasteful number, since it uses less digits than its factorization.

2047470205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187284.

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 2047470205 is about 45248.9801542532. The cubic root of 2047470205 is about 1269.8113272947.

The spelling of 2047470205 in words is "two billion, forty-seven million, four hundred seventy thousand, two hundred five".

Divisors: 1 5 11 55 199 995 2189 10945 187069 935345 2057759 10288795 37226731 186133655 409494041 2047470205