Search a number
-
+
28854770188430 = 252885477018843
BaseRepresentation
bin1101000111110010001100…
…10100111100000010001110
310210011111012112202111111002
412203321012110330002032
512240224032132012210
6141211410505500302
76035455050533624
oct643710624740216
9123144175674432
1028854770188430
11921526a5901aa
1232a02b81a1692
131313cbac5b584
1471a814d11514
153508a36424a5
hex1a3e4653c08e

28854770188430 has 8 divisors (see below), whose sum is σ = 51938586339192. Its totient is φ = 11541908075368.

The previous prime is 28854770188373. The next prime is 28854770188493. The reversal of 28854770188430 is 3488107745882.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1442738509412 + ... + 1442738509431.

It is an arithmetic number, because the mean of its divisors is an integer number (6492323292399).

Almost surely, 228854770188430 is an apocalyptic number.

28854770188430 is a deficient number, since it is larger than the sum of its proper divisors (23083816150762).

28854770188430 is a wasteful number, since it uses less digits than its factorization.

28854770188430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2885477018850.

The product of its (nonzero) digits is 96337920, while the sum is 65.

The spelling of 28854770188430 in words is "twenty-eight trillion, eight hundred fifty-four billion, seven hundred seventy million, one hundred eighty-eight thousand, four hundred thirty".

Divisors: 1 2 5 10 2885477018843 5770954037686 14427385094215 28854770188430