Search a number
-
+
47731935778906 = 21144315439135089
BaseRepresentation
bin10101101101001011101010…
…00100111001100001011010
320021000010110200012001020211
422312211311010321201122
522224020001024411111
6245303425405441334
713024342602553501
oct1266456504714132
9207003420161224
1047731935778906
1114233000418415
12542a92887024a
1320831437a5102
14bb034919d838
1557b93d026521
hex2b697513985a

47731935778906 has 16 divisors (see below), whose sum is σ = 71609328547200. Its totient is φ = 23862159920448.

The previous prime is 47731935778817. The next prime is 47731935778931. The reversal of 47731935778906 is 60987753913774.

47731935778906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353269410 + ... + 353404498.

It is an arithmetic number, because the mean of its divisors is an integer number (4475583034200).

Almost surely, 247731935778906 is an apocalyptic number.

47731935778906 is a deficient number, since it is larger than the sum of its proper divisors (23877392768294).

47731935778906 is a wasteful number, since it uses less digits than its factorization.

47731935778906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161973.

The product of its (nonzero) digits is 1680315840, while the sum is 76.

The spelling of 47731935778906 in words is "forty-seven trillion, seven hundred thirty-one billion, nine hundred thirty-five million, seven hundred seventy-eight thousand, nine hundred six".

Divisors: 1 2 11443 15439 22886 30878 135089 270178 176668477 353336954 1545823427 2085639071 3091646854 4171278142 23865967889453 47731935778906