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2664438711 = 3111031495261
BaseRepresentation
bin1001111011010000…
…0001101110110111
320212200121111210020
42132310001232313
520424044014321
61120220100223
7123012232614
oct23664015667
96780544706
102664438711
111148008270
12624394673
1333601536c
141b3c1750b
15108dad4c6
hex9ed01bb7

2664438711 has 32 divisors (see below), whose sum is σ = 3940185600. Its totient is φ = 1588099200.

The previous prime is 2664438701. The next prime is 2664438719. The reversal of 2664438711 is 1178344662.

It is a de Polignac number, because none of the positive numbers 2k-2664438711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664438719) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 503821 + ... + 509081.

It is an arithmetic number, because the mean of its divisors is an integer number (123130800).

Almost surely, 22664438711 is an apocalyptic number.

2664438711 is a deficient number, since it is larger than the sum of its proper divisors (1275746889).

2664438711 is a wasteful number, since it uses less digits than its factorization.

2664438711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5527.

The product of its digits is 193536, while the sum is 42.

The square root of 2664438711 is about 51618.2013537860. The cubic root of 2664438711 is about 1386.3362465532.

The spelling of 2664438711 in words is "two billion, six hundred sixty-four million, four hundred thirty-eight thousand, seven hundred eleven".

Divisors: 1 3 11 33 103 149 309 447 1133 1639 3399 4917 5261 15347 15783 46041 57871 168817 173613 506451 541883 783889 1625649 2351667 5960713 8622779 17882139 25868337 80740567 242221701 888146237 2664438711