Search a number
-
+
128806045606 = 279200431829
BaseRepresentation
bin111011111110101110…
…0000100011110100110
3110022110201022002002201
41313331130010132212
54102243321424411
6135101144325114
712206635215520
oct1677534043646
9408421262081
10128806045606
114a698722567
1220b68a7379a
13c1b9719044
14633cab0a10
15353d11e3c1
hex1dfd7047a6

128806045606 has 8 divisors (see below), whose sum is σ = 220810363920. Its totient is φ = 55202590968.

The previous prime is 128806045603. The next prime is 128806045637. The reversal of 128806045606 is 606540608821.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128806045603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4600215901 + ... + 4600215928.

It is an arithmetic number, because the mean of its divisors is an integer number (27601295490).

Almost surely, 2128806045606 is an apocalyptic number.

128806045606 is a deficient number, since it is larger than the sum of its proper divisors (92004318314).

128806045606 is an equidigital number, since it uses as much as digits as its factorization.

128806045606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9200431838.

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 128806045606 in words is "one hundred twenty-eight billion, eight hundred six million, forty-five thousand, six hundred six".

Divisors: 1 2 7 14 9200431829 18400863658 64403022803 128806045606