Search a number
-
+
43680131846 = 2131680005071
BaseRepresentation
bin101000101011100010…
…011110101100000110
311011202010212121022222
4220223202132230012
51203424103204341
632022200452342
73104301665111
oct505342365406
9134663777288
1043680131846
111758532861a
12857047a0b2
13417163aa80
142185259578
151209b2644b
hexa2b89eb06

43680131846 has 8 divisors (see below), whose sum is σ = 70560213024. Its totient is φ = 20160060840.

The previous prime is 43680131821. The next prime is 43680131861. The reversal of 43680131846 is 64813108634.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 43680131797 and 43680131806.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 840002510 + ... + 840002561.

It is an arithmetic number, because the mean of its divisors is an integer number (8820026628).

Almost surely, 243680131846 is an apocalyptic number.

43680131846 is a deficient number, since it is larger than the sum of its proper divisors (26880081178).

43680131846 is a wasteful number, since it uses less digits than its factorization.

43680131846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680005086.

The product of its (nonzero) digits is 331776, while the sum is 44.

The spelling of 43680131846 in words is "forty-three billion, six hundred eighty million, one hundred thirty-one thousand, eight hundred forty-six".

Divisors: 1 2 13 26 1680005071 3360010142 21840065923 43680131846