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47642227711 = 1317219667417
BaseRepresentation
bin101100010111101100…
…101011001111111111
311112222021020221002021
4230113230223033333
51240032402241321
633515254141011
73304422153031
oct542754531777
9145867227067
1047642227711
1119228882911
129297351767
13465344a8b0
14243d543c51
15138c8b0941
hexb17b2b3ff

47642227711 has 24 divisors (see below), whose sum is σ = 57371251280. Its totient is φ = 39212024832.

The previous prime is 47642227697. The next prime is 47642227723. The reversal of 47642227711 is 11772224674.

It is not a de Polignac number, because 47642227711 - 217 = 47642096639 is a prime.

It is a super-2 number, since 2×476422277112 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47642227741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 262326 + ... + 405091.

Almost surely, 247642227711 is an apocalyptic number.

47642227711 is a deficient number, since it is larger than the sum of its proper divisors (9729023569).

47642227711 is a wasteful number, since it uses less digits than its factorization.

47642227711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667483 (or 667466 counting only the distinct ones).

The product of its digits is 263424, while the sum is 43.

The spelling of 47642227711 in words is "forty-seven billion, six hundred forty-two million, two hundred twenty-seven thousand, seven hundred eleven".

Divisors: 1 13 17 19 221 247 289 323 3757 4199 5491 71383 667417 8676421 11346089 12680923 147499157 164851999 192883513 215575691 2507485669 2802483983 3664786747 47642227711