Search a number
-
+
47138340519 = 3271279126431
BaseRepresentation
bin101011111001101010…
…011111111010100111
311111200011002210210200
4223321222133322213
51233014403344034
633353254121543
73256063166124
oct537152377247
9144604083720
1047138340519
1118a9a400a16
1291766502b3
1345a2c343aa
1423d265974b
15135d52aa99
hexaf9a9fea7

47138340519 has 24 divisors (see below), whose sum is σ = 69075062784. Its totient is φ = 30970674000.

The previous prime is 47138340467. The next prime is 47138340521. The reversal of 47138340519 is 91504383174.

47138340519 is a `hidden beast` number, since 4 + 7 + 13 + 83 + 40 + 519 = 666.

It is not a de Polignac number, because 47138340519 - 225 = 47104786087 is a prime.

It is a super-2 number, since 2×471383405192 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47138340019) 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, 1770234 + ... + 1796664.

It is an arithmetic number, because the mean of its divisors is an integer number (2878127616).

Almost surely, 247138340519 is an apocalyptic number.

47138340519 is a deficient number, since it is larger than the sum of its proper divisors (21936722265).

47138340519 is a wasteful number, since it uses less digits than its factorization.

47138340519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29299 (or 29296 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 47138340519 in words is "forty-seven billion, one hundred thirty-eight million, three hundred forty thousand, five hundred nineteen".

Divisors: 1 3 9 71 213 639 2791 8373 25119 26431 79293 198161 237879 594483 1783449 1876601 5629803 16889409 73768921 221306763 663920289 5237593391 15712780173 47138340519