Search a number
-
+
39043437212 = 22131939517649
BaseRepresentation
bin100100010111001010…
…111001001010011100
310201210000010010001002
4210113022321022130
51114430104442322
625534124205432
72551350512003
oct442712711234
9121700103032
1039043437212
111561600328a
127697699878
1338b2b43590
141c65529c3a
151037a35c92
hex9172b929c

39043437212 has 24 divisors (see below), whose sum is σ = 77454594000. Its totient is φ = 17071623936.

The previous prime is 39043437203. The next prime is 39043437217. The reversal of 39043437212 is 21273434093.

It is a super-3 number, since 3×390434372123 (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39043437217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19757837 + ... + 19759812.

It is an arithmetic number, because the mean of its divisors is an integer number (3227274750).

Almost surely, 239043437212 is an apocalyptic number.

It is an amenable number.

39043437212 is a deficient number, since it is larger than the sum of its proper divisors (38411156788).

39043437212 is a wasteful number, since it uses less digits than its factorization.

39043437212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39517685 (or 39517683 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 38.

The spelling of 39043437212 in words is "thirty-nine billion, forty-three million, four hundred thirty-seven thousand, two hundred twelve".

Divisors: 1 2 4 13 19 26 38 52 76 247 494 988 39517649 79035298 158070596 513729437 750835331 1027458874 1501670662 2054917748 3003341324 9760859303 19521718606 39043437212