Search a number
-
+
28860035943 = 39620011981
BaseRepresentation
bin11010111000001100…
…010011001101100111
32202111022020201200010
4122320030103031213
5433101132122233
621131430421303
72041115154324
oct327014231547
982438221603
1028860035943
111126a813182
125715201833
13294c16105b
14157aca5b4b
15b3d9ebb63
hex6b8313367

28860035943 has 4 divisors (see below), whose sum is σ = 38480047928. Its totient is φ = 19240023960.

The previous prime is 28860035891. The next prime is 28860035983. The reversal of 28860035943 is 34953006882.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 28860035943 - 210 = 28860034919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28860035892 and 28860035901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28860035983) 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, 4810005988 + ... + 4810005993.

It is an arithmetic number, because the mean of its divisors is an integer number (9620011982).

Almost surely, 228860035943 is an apocalyptic number.

28860035943 is a deficient number, since it is larger than the sum of its proper divisors (9620011985).

28860035943 is an equidigital number, since it uses as much as digits as its factorization.

28860035943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9620011984.

The product of its (nonzero) digits is 1244160, while the sum is 48.

The spelling of 28860035943 in words is "twenty-eight billion, eight hundred sixty million, thirty-five thousand, nine hundred forty-three".

Divisors: 1 3 9620011981 28860035943